Editing List of geologists

{{short description|List of Wikipedia articles on notable geologists}}
<!-- Please note, this is not intended to be a list of every geologist with a wiki page. Please limit additions to famous or especially notable geologists. Thank you!-->
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A [[geologist]] is a contributor to the science of [[geology]]. Geologists are also known as [[earth scientist]]s or geoscientists.

The following is a list of [[Notability in the English Wikipedia|notable]] geologists. Many have received such awards as the [[Penrose Medal]] or the [[Wollaston Medal]], or have been inducted into the [[United States National Academy of Sciences|National Academy of Sciences]] or the [[Royal Society]].

Geoscience specialties represented include [[geochemistry]], [[geophysics]], [[structural geology]], [[tectonics]], [[geomorphology]], [[glaciology]], [[hydrology]], [[hydrogeology]], [[oceanography]], [[mineralogy]], [[petrology]], [[crystallography]], [[paleontology]], [[paleobotany]], [[paleoclimatology]], [[palynology]], [[petroleum geology]], [[planetary geology]], [[sedimentology]], [[soil science]], [[stratigraphy]], and [[volcanology]]. In this list, the person listed is a geologist unless another specialty is noted.  Only geologists with biographical articles in Wikipedia are listed here.

{{Compact TOC|seealso=yes}}  __NOTOC__

==A==
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[[Image:Louis Agassiz-2.jpg|thumb|upright|[[Louis Agassiz]] ]]
* [[Vladimir Abazarov]] (1930–2003), Soviet [[geologist]], discoverer of [[Samotlor oil field]]
* [[Aziz Ab'Saber]] (1924–2012), Brazilian [[geomorphologist]], member [[Brazilian Academy of Sciences]]
* [[Otto Wilhelm Hermann von Abich]] (1806–1886), German [[mineralogist]]
* [[Louis Agassiz]] (1807–1873), Swiss-American geologist, work on [[ice age]]s, [[glacier]]s, [[Lake Agassiz]]
* [[Georgius Agricola]] (Georg Bauer) (1494–1555), German naturalist and 'Father of [[Mineralogy]]', author of [[De re metallica]]
* [[Ulisse Aldrovandi]] (1522–1605), Italian, [[Renaissance]] naturalist
* [[Claude Allègre]] (1937–2025), French [[geochemist]], member of the [[French Academy of Sciences]]
* [[Fernando Flávio Marques de Almeida]] (1916–2013), Brazilian geologist, member [[Brazilian Academy of Sciences]]
* [[Walter Alvarez]] (born 1940), American, co-author of the impact theory for the [[Cretaceous–Paleogene extinction event]]
* [[J. Willis Ambrose]] (1911–1974), first President of [[Geological Association of Canada]]
* [[Ernest Masson Anderson]] (1877–1960), Scottish structural geologist, influential in theory of [[Fault (geology)|faulting]]
* [[Roy Chapman Andrews]] (1884–1960), American explorer and naturalist; Mongolian dinosaurs
* [[Mary Anning]] (1799–1847), English pioneer fossil collector
* [[Adolphe d'Archiac]] (1802–1868), French [[paleontologist]], member [[French Academy of Sciences]]
* [[Giovanni Arduino (geologist)|Giovanni Arduino]] (1714–1795), Italian, first classification of [[geological time]]
* [[Richard Lee Armstrong]] (1937–1991), American/Canadian [[Geochemistry|geochemist]], won [[Logan Medal]]
* [[Rosemary Askin]] (born 1949), first [[New Zealand]] woman to undertake her own research program in Antarctica in 1970.<ref name=":0">{{Cite book|url=https://books.google.com/books?id=fRJtB2MNdJMC|title=Encyclopedia of the Antarctic|last=Riffenburgh|first=Beau|date=2007-01-01|publisher=Taylor & Francis|isbn=9780415970242|language=en}}</ref>
* [[Tanya Atwater]] (born 1942), California, American [[geophysicist]], marine geologist, [[plate tectonics]] specialist

==B==
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[[Image:Florence Bascom.jpg|thumb|upright|[[Florence Bascom]], 1893]]
* [[Ralph Bagnold]] (1896–1990), British, studied deserts and the physics of sand
* [[Andrew Geddes Bain]] (1797–1864), South African, prepared first detailed geological map of [[South Africa]]
* [[Bashiru Ademola Raji]], Nigerian geologist and [[pedogenesis]]t
* [[Robert T. Bakker]] (born 1945), American dinosaur [[paleontologist]]; author, ''[[The Dinosaur Heresies]]''
* [[Octávio Barbosa]] (1907–1997), Brazilian field geologist and prospector; Gold Medal, [[Sociedade Brasileira de Geologia]]
* [[Thomas Barger]] (1909–1986), American, pioneered oil exploration in [[Saudi Arabia]], later CEO of [[Aramco]]
* [[Anthony R. Barringer]] (1925–2009), Canadian/American [[geophysicist]] and inventor
* [[Charles Barrois]] (1851–1939), French [[geologist]] and [[paleontologist]]
* [[Florence Bascom]] (1862–1945), American, first woman geologist at the [[US Geological Survey]]
*[[Éliane Basse]] (1899–1985), French geologist and research director at the [[French National Centre for Scientific Research|National Center for Scientific Research]] (CNRS)
* [[Abhijit Basu]], Indian born American geologist
* [[Robert Bell (Canadian geologist)|Robert Bell]] (1841–1917), considered Canada's greatest explorer-scientist
* [[Walter A. Bell]] (1889–1969), Canadian [[paleobotanist]] and [[stratigrapher]]
* [[Helen Belyea]] (1913–1986), Canadian [[geologist]] best known for her research of the [[Devonian System]].
* [[Reinout Willem van Bemmelen]] (1904–1983), Dutch, structural geology, economic geology and volcanology
* [[Etheldred Benett]] (1776–1845), English, pioneer [[paleontologist]]
* [[Pierre Berthier]] (1782–1861), French geologist, discovered the properties of [[bauxite]]
* [[Luca Bindi]] (born 1971), Italian geologist, discovered the first natural quasicrystal [[icosahedrite]]
* [[Eliot Blackwelder]] (1880–1969), American field geologist, president of the [[Geological Society of America]]
* [[George Stanfield Blake]] (1876–1940), British geologist
* [[William Blake (economist)|William Blake]] (1774–1852), President of the Geological Society of London 1815–1816
* [[William Phipps Blake]] (1826–1910), American geologist
* [[Selwyn G. Blaylock]] (1879–1945), Canadian chemist and mining executive with [[Teck Cominco|Cominco]]
* [[Stewart Blusson]] (born 1939), Canadian, co-discoverer of [[Ekati Diamond Mine]]
* [[Alexei Alexeivich Bogdanov]] (1907–1971), Soviet geologist
* [[Bruce Bolt]] (1930–2005), American (born Australia), pioneer engineering [[seismologist]] in California
* [[José Bonaparte]] (1928–2020), Argentinian [[paleontologist]], discovered many South American dinosaurs
* [[William Borlase]] (1696–1772), Cornish natural historian, studied the minerals of Cornwall
* [[Norman L. Bowen]] (1887–1956), Canadian, pioneer experimental [[petrologist]]
* [[Scipione Breislak]] (1748–1826), Italian mineralogist and geologist, pioneer of [[volcanic gas]] collection
* [[J Harlen Bretz]] (1882–1981), American, discovered origin of [[channeled scablands]]
* [[David Brewster]] (1781–1868), Scottish physicist, studied the optical properties of minerals.
* [[Wallace S. Broecker]] (1931–2019), American [[paleoclimatologist]] and [[chemical oceanography|chemical oceanographer]]
* [[Robert Broom]] (1866–1951), South African [[palaeontologist]], discovered [[australopithecine]] hominid fossils
* [[Barnum Brown]] (1873–1963), American, [[dinosaur]] hunter and self-taught [[paleontologist]]
* [[Christian Leopold von Buch]] (1774–1853), German [[geologist]] and [[paleontologist]]
* [[Mary Buckland]] (1797–1857), English, [[paleontologist]], [[marine biologist]] and [[scientific illustrator]]
* [[William Buckland]] (1784–1856), English, wrote the first full account of a fossil [[dinosaur]]
* [[Judith Bunbury]] (born 1967), British, geoarchaeologist
* [[B. Clark Burchfiel]] (1934-2024), [[MIT]] structural geologist, studied the [[Tibetan Plateau]]; member of [[National Academy of Sciences]]
* [[Perry Byerly]] (1897–1978), American geophysicist and seismologist

==C==
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[[Image:Edcope.jpg|thumb|upright|[[Edward Drinker Cope]] ]]
* [[Louis J. Cabri]] (born 1934), Canadian, geologist and mineralogist, Fellow, [[Royal Society of Canada]]
* [[Stephen E. Calvert]] (born 1935), Canadian professor, geologist, oceanographer; awarded [[Logan Medal]]
* [[Colin Campbell (geologist)|Colin Campbell]] (1931–2022), British [[petroleum geologist]] and [[Peak Oil]] theorist
* [[Neil Campbell (geologist)|Neil Campbell]] (1914–1978), Canadian, [[Northwest Territories]] [[mineral exploration]]; Fellow, [[Royal Society of Canada]]
* [[Samuel Warren Carey]] (1911–2002), Australian, [[continental drift]] proponent and later developed [[Expanding Earth]] hypothesis
* [[Petr Černý]] (1934–2018), Czech/Canadian mineralogist, won [[Logan Medal]]; Fellow, [[Royal Society of Canada]]
* [[Alexandre-Emile Béguyer de Chancourtois]] (1820–1886), French, geologist and mineralogist
* [[George V. Chilingar]] (1929–2023), American, distinguished international [[petroleum geologist]]
* [[Václav Cílek]] (born 1955), [[Czech Republic|Czech]] [[geologist]] and science popularizer
* [[John J. Clague]] (born 1946), Canadian, Quaternary and geological hazards expert
* [[T. H. Clark|Thomas H. Clark]] (1893–1996), Canadian, co-author of ''The Geological Evolution of North America'' (1960)
* [[William Branwhite Clarke]] (1798–1878), Australian (born England), discovered [[gold]] in [[New South Wales]], 1841
* [[Peter Clift]] (born 1966), British marine geologist and monsoon researcher, best known for work in Asia
* [[Hans Cloos]] (1885–1951), prominent German structural geologist
* [[Lorence G. Collins]], (born 1931), American, [[petrologist]], discoveries on [[metasomatism]]
* [[Simon Conway Morris]] (born 1951), [[palaeontologist]] and writer, best known for study of [[Burgess Shale]] fossils
* [[William Conybeare (geologist)|William Conybeare]] (1787–1857), English, author of ''Outlines of the Geology of England and Wales'' (1822)
* [[Isabel Clifton Cookson]] (1893–1973), Australian [[paleobotanist]] and [[palynologist]], namesake of genus ''[[Cooksonia (plant)|Cooksonia]]''
* [[Edward Drinker Cope]] (1840–1897), American, pioneer [[dinosaur]] [[paleontologist]]; [[Bone Wars]] competitor
* [[Charles Cotton (geologist)|Charles Cotton]] (1885–1970), New Zealand, geologist and [[geomorphologist]]
* [[James Croll]] (1821–1890), Scottish scientist who developed the theory of climate change based on changes in the Earth's orbit
* [[Georges Cuvier]] (1769–1832), French, proponent of [[catastrophism]]
* [[Lindsay Collins (geologist)|Lindsay Collins]] (1944–2015), Australian marine geologist and sedimentologist

==D==
<!-- Please note, this is not intended to be a list of every geologist with a wiki page. Please limit additions to famous or especially notable geologists. Thank you!-->

[[Image:Charles Darwin aged 51.jpg|thumb|upright|[[Charles Darwin]], c.1860]]
[[File:Ljudmila Dolar Mantuani.jpg|thumb|upright|[[Ljudmila Dolar Mantuani]] (1906–1988) first female professor of petrography in Yugoslavia]]
* [[Brent Dalrymple|G. Brent Dalrymple]] (born 1937), United States, author ''[[The Age of the Earth]]'' (1991), winner National Science Medal, 2005
* [[James Dwight Dana]] (1813–1895), American, author of ''System of Mineralogy'' (1837)
* [[Charles Darwin]] (1809–1882), British naturalist, author of ''[[On the Origin of Species]]'', [[atoll]] formation
* [[George Mercer Dawson]] (1849–1901), Canadian, pioneer [[Yukon]] geologist, [[Fellow of the Royal Society]]
* [[John William Dawson]] (1820–1899), Canadian, pioneer [[Acadian]] geologist, [[Fellow of the Royal Society]]
* [[Henry De la Beche]] (1796–1855), English, first director of the [[Geological Survey of Great Britain]]
* [[Duncan R. Derry]] (1906–1987), Canadian [[Economic geology|economic geologist]], awarded [[Logan Medal]]
* [[Nicolas Desmarest]] (1725–1815), French, pioneer [[volcanologist]]
* [[Thomas Dibblee]] (1911–2004), American, geological mapper and pioneer of [[San Andreas Fault]] movement study
* [[William R. Dickinson]] (1930–2015), Arizona, American, [[plate tectonics]], [[Colorado Plateau]]; Member of [[National Academy of Sciences]]
* [[Robert S. Dietz]] (1914–1995), American, [[seafloor spreading]] pioneer, awarded [[Penrose Medal]]
* [[Déodat de Dolomieu]] (1750–1801), French geologist
*[[Ljudmila Dolar Mantuani]] (1906–1988), Slovenian [[Petrology|petrologist]], first female professor of petrography in Yugoslavia 
* [[Louis de Loczy]] (1897–1980), Hungarian-Brazilian geologist
* [[Ignacy Domeyko]] (1802–1889), Slavic-Chilean [[geologist]] and [[mineralogist]], namesake of the mineral [[domeykite]]
* [[R. J. W. Douglas|Robert John Wilson Douglas]] (1920–1979), Canadian [[petroleum geologist]], Fellow of the [[Royal Society of Canada]]
* [[Aleksis Dreimanis]] (1914–2011), [[Latvian Canadians|Latvian-Canadian]] award-winning [[Quaternary]] geologist, Fellow of the [[Royal Society of Canada]]
* [[Hugo Dummett]] (1940–2002), South African mineral-exploration geologist, co-discoverer of [[Ekati Diamond Mine]]
* [[Alexander du Toit]] (1878–1948), South African geologist, established correlations between Argentina, Paraguay, Brazil and South Africa
* [[Clarence Edward Dutton]] (1841–1912), American, author of ''Tertiary History of the Grand Canyon District''

==E==
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* [[Edith Ebers]] (1894–1974), German geologist, glaciologist
* [[Heinz Ebert]] (1907–1983), German-Brazilian, [[geologist]], [[petrologist]]; awarded gold medal, [[Sociedade Brasileira de Geologia]]
* [[Fanny Carter Edson]] (1887–1952), American [[petroleum geologist]]
* [[Niles Eldredge]] (born 1943), American, [[paleontologist]]; theory of [[punctuated equilibrium]]
* [[Jean-Baptiste Élie de Beaumont]] (1798–1874), French, prepared first geological map of France
* [[Kay-Chrisitan Emeis]], German geologist and academic
* [[W. G. Ernst]] (born 1931), American, [[Stanford]] [[petrologist]] and [[geochemist]], member of [[National Academy of Sciences]]
* [[Pentti Eskola]] (1883–1964), Finnish [[geologist]] and professor who created the concept of [[metamorphic facies]]
* [[Robert Etheridge, Junior]] (1847–1920), Australian (born England) [[paleontologist]], longtime curator of the [[Australian Museum]]
* [[Raul - Yuri Georgievich Ervier|Raul-Yuri Ervier]] (1909–1991), Soviet [[geologist]], an eminent organizer and head of wide-ranging geological explorations that discovered of the largest oil and gas fields in Western Siberia
* [[Maurice Ewing]] (1906–1974), American, pioneering [[geophysicist]] and [[oceanographer]]

==F==
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* [[Barthélemy Faujas de Saint-Fond]] (1741–1819), French, pioneer [[volcanologist]]
* [[Mikhail A. Fedonkin]] (born 1946), Russian [[paleontologist]], awarded [[Charles Doolittle Walcott Medal]]
* [[Walter Frederick Ferrier]] (1865–1950), Canadian, [[mineral]] collector, namesake of the mineral [[Ferrierite]]
* [[Judy Fierstein]], American, volcanology and petrology researcher of the [[U.S. Geological Survey]]
* [[Frederick C. Finkle]] (1865–1949), American consulting engineer and geologist; Chief Engineer on 18 major dam projects
* [[Michael Fleischer (mineralogist)|Michael Fleischer]] (1908–1998), American chemist and mineralogist
* [[Charles E. Fipke]] (born 1946), Canadian, co-discoverer of [[Ekati Diamond Mine]]
* [[Richard Fortey]] (1946–2025), English, [[trilobite]] [[paleontologist]], author, [[Fellow of the Royal Society]]
* [[Yves Fortier (geologist)|Yves O. Fortier]] (1914–2014), Canadian, High [[Arctic]] explorer, won [[Logan Medal]]
* [[Gillian Foulger]] (born 1952), British, professor of geophysics at [[Durham University]]; awarded [[Price Medal]]
* [[William Fyfe (geochemist)|William Fyfe]] (1927–2013), Canadian [[geochemist]], won [[Wollaston Medal]]

==G==
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[[File:Grove Karl Gilbert (1843–1918).jpg|thumb|upright|[[Grove Karl Gilbert]] ]]
* [[Patrick Ganly]] (1809–1899), Irish surveyor and geologist, described the use of cross-bedding in stratification
* [[Robert Garrels]] (1916–1988), American [[geochemist]], revolutionized aqueous [[geochemistry]]
* [[Archibald Geikie]] (1835–1924), Scottish, geologist, President of the [[Presidents of the Royal Society|Royal Society]]
* [[Mark S. Ghiorso]] (born 1954), American geochemist, thermodynamic modeling of magma
* [[Grove Karl Gilbert]] (1843–1918), American, influential Western geologist, won [[Wollaston Medal]]
* [[James E. Gill]] (1901–1980), Canadian, [[McGill University]] professor, explorer, [[Logan Medal]] winner
* [[Victor Goldschmidt]] (1888–1947), Norwegian (born Switzerland), a founder of modern [[geochemistry]]
* [[Stephen Jay Gould]] (1941–2002), American [[paleontologist]] and writer
* [[Louis Caryl Graton|L. C. Graton]] (1880–1970), American, [[Harvard]] [[economic geologist]], awarded [[Penrose Gold Medal]]
* [[Alexander Henry Green]] (1832–1896), English, surveyed [[Derbyshire]] and [[Yorkshire]], [[Fellow of the Royal Society]]
* [[George Bellas Greenough]] (1778–1855), English, gentlemanly geologist, founding member and first President of the [[Geological Society]]
* [[John Walter Gregory]] (1864–1932), English, geology of Australia and East Africa, glacial geology, President of the Geological Society of London (1928–1930) 
* [[Robbie Gries]] (born 1943), American, first female president (2001–02) of the [[American Association of Petroleum Geologists]] (AAPG)
* [[Djalma Guimarães]] (1894–1973), Brazilian geochemist and mineralogist in [[Minas Gerais]]
* [[Henry C. Gunning]] (1901–1991), Canadian (born Northern Ireland), [[British Columbia]] geologist, [[Logan Medal]] winner

==H==
<!-- Please note, this is not intended to be a list of every geologist with a wiki page. Please limit additions to famous or especially notable geologists. Thank you!-->

[[Image:James Hutton.jpg|thumb|upright|[[James Hutton]] ]]
[[File:Jack Horner speaking.jpg|thumb|upright|[[Jack Horner (paleontologist)|Jack Horner]], 2012]]
* [[Julius von Haast]] (1824–1887), New Zealand (born Germany), founded [[Canterbury Museum, Christchurch|Canterbury Museum]]
* [[Sir James Hall, 4th Baronet]] (1761–1832), Scottish geologist, president of the [[Royal Society of Edinburgh]]
* [[James Hall (paleontologist)|James Hall]] (1811–1898), American geologist and [[paleontologist]]
* [[William Hamilton (diplomat)|William Hamilton]] (1731–1803), Scottish, volcanologist, [[Copley Medal]]
* [[Alfred Harker]] (1859–1939), English, igneous petrologist and [[Petrography|petrographer]]
* [[W. Brian Harland]] (1917–2003), English, polar geologist
* [[Geoffrey Hattersley-Smith]] (1923–2012), English and Canadian, polar geologist
* [[Donald E. Hattin]] (1928–2016), American geologist and paleontologist
* [[Thomas Hawkins (geologist)|Thomas Hawkins]] (1810–1889), English fossil collector
* [[James Edwin Hawley]] (1897–1965), Canadian, studied [[mineralogy]] of [[ore deposit]]s
* [[Erasmus Haworth]] (1855–1932), founder of the [[Kansas Geological Survey]] and the first state geologist of Kansas
* [[Frank Hawthorne]] (born 1946), Canadian [[mineralogist]] and [[crystallography|crystallographer]]
* [[Richard L. Hay (geologist)|Richard L. Hay]] (1929–2006), American geologist
* [[Ferdinand Vandeveer Hayden]] (1829–1887), American, pioneer Western geologist
* [[Robert Hazen]] (born 1948), American, mineralogist and astrobiologist
* [[Hollis Dow Hedberg]] (1903–1988), American geologist
* [[Bruce Heezen]] (1924–1977), American geologist who first mapped the [[Mid-Atlantic Ridge]]
* [[Sue Hendrickson]] (born 1949), American [[paleontologist]]; discoverer of "Sue", the largest ''[[Tyrannosaurus|Tyrannosaurus rex]]'' ever found
* [[Harry Hammond Hess]] (1906–1969), American geologist and [[oceanographer]]
* [[Henry Hicks (geologist)|Henry Hicks]] (1837–1899), [[Fellow of the Royal Society|FRS]], President of the [[Geological Society of London|Geological Society]]
* [[Pattillo Higgins]] (1863–1955), American, known as the "Prophet of [[Spindletop]]"
* [[Wes Hildreth]] (born 1938), American, volcanologist and petrologist
* [[Eugene W. Hilgard]] (1833–1916), American (born Germany), soil scientist
* [[Robert T. Hill]] (1858–1941), American geologist, Cretaceous deposits of Central Texas
* [[Claude Hillaire-Marcel]] (born 1944), Canadian (born France), Quaternary geologist
* [[Ferdinand von Hochstetter]] (1829–1884), German-Austrian, produced first regional New Zealand geological maps and surveys. 
* [[Paul F. Hoffman]] (born 1941), American and Canadian, [[Snowball Earth]] theorist
* [[Arthur Holmes]] (1890–1965), English, author of ''Principles of Physical Geology''
* [[Marjorie Hooker]] (1908–1976), American, acted as a mineral specialist for the [[United States Department of State]] from 1943 to 1947
* [[Jack Horner (paleontologist)|Jack Horner]] (born 1946), American dinosaur [[paleontologist]]
* [[Kenneth J. Hsu]] (born 1929), American (born China), author of ''The Mediterranean was a Desert''
* [[M. King Hubbert]] (1903–1989), American, originator of "[[Peak Oil]]" theory
* [[James Hutton]] (1726–1797), Scottish geologist, ''father of modern geology''

==I==
<!-- Please note, this is not intended to be a list of every geologist with a wiki page. Please limit additions to famous or especially notable  geologists. Thank you!-->
* [[Edward A. Irving]] (1927–2014), Canadian, used [[paleomagnetism]] to support [[continental drift]] theory

==J==
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[[Image:MSH80 david johnston at camp 05-17-80 med.jpg|thumb|right|[[David A. Johnston]] at [[Mount St. Helens]], 5-17-1980]]
* [[Thomas Jaggar]] (1871–1953), American, volcanologist and founder of the Hawaiian Volcano Observatory
* [[James A. Jensen]] (1911–1998), American, distinguished dinosaur [[paleontologist]] and sculptor
* [[Dougal Jerram]] (born 1969), British geologist/earth scientist, television and media presenter and author
* [[David A. Johnston]] (1949–1980), American, volcanologist, killed in the [[1980 eruption of Mount St. Helens]]
* [[Franc Joubin]] (1911–1997), Canadian (born United States), discovered [[Elliot Lake]] uranium district
* [[John Wesley Judd]] (1840–1916), British geologist, professor at the [[Royal School of Mines]], London
* [[Wilhelmine Mimi Johnson]] (1890–1980), Norway's first female geologist

==K==
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[[File:Young Clarence King.jpg|thumb|[[Clarence King]], {{circa}} 1875|upright]]
* [[Michael John Keen]] (1935–1991), [[Atlantic Canada]], marine geoscientist
* [[Dennis V. Kent]] (born 1946), American geomagnetist
* [[Zofia Kielan-Jaworowska]] (1925–2015), Polish [[paleontologist]], led several paleontological expeditions to the Gobi desert
* [[Clarence King]] (1842–1901), American, first director of the [[U.S. Geological Survey]]
* [[James Kitching]] (1922–2003), South African, [[Karoo]] vertebrate [[palaeontologist]]
* Sir [[Albert Ernest Kitson]] (1868–1937), Australian (born England), [[economic geologist]], mineral exploration in Africa
* [[Maria Klenova]] (1898–1976), Russian marine geologist and one of the founders of Russian marine science
* [[Andrew H. Knoll]] (born 1951), American, [[Harvard]] geologist and [[paleontologist]]
* [[Danie G. Krige]] (1919–2013), South African [[mining engineer]], inventor of [[kriging]]
* [[M. S. Krishnan (geologist)|M. S. Krishnan]] (1898–1970), Indian geologist, author of ''Geology of India and Burma''
* [[Thomas Edvard Krogh]] (1936–2008), Canadian, [[geochronologist]], revolutionized uranium-lead [[radiometric]] dating
* [[William C. Krumbein]] (1902–1979), American, [[sedimentologist]]
* [[Nikolai Kudryavtsev]] (1893–1971), Russian [[petroleum geologist]]

==L==
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[[Image:Joseph LeConte 1823-1901.jpg|thumb|upright|[[Joseph LeConte]] ]]
* [[Alfred Lacroix]] (1863–1948), French geologist
* [[Charles Lapworth]] (1842–1920), English geologist, defined the [[Ordovician]] Period
* [[Andrew Lawson]] (1861–1952), American (born Scotland), named [[San Andreas Fault]]
* [[Richard Leakey]] (1944–2022), Kenyan [[paleontologist]]
* [[Joseph LeConte]] (1823–1901), United States, first professor of geology, [[University of California]]
* [[Robert Legget]] (1904–1994), Canadian non-fiction writer, [[civil engineer]], [[pedology|pedologist]]
* [[Inge Lehmann]] (1888–1993), Danish [[seismologist]], discovered [[Lehmann discontinuity]]. The asteroid [[5632 Ingelehmann]] was named in her honour.
* [[Luna Leopold]] (1915–2006), eminent American [[hydrologist]]
* [[Xavier Le Pichon]] (1937–2025), French [[plate tectonics]] [[geophysicist]]
* [[Zofia Licharewa]] (1883–1980), Polish geologist and museum founder
* [[Waldemar Lindgren]] (1860–1939), distinguished Swedish-American [[economic geologist]]
* [[Li Shizhen]] (1518–1593), Ming Dynasty Chinese [[mineralogist]], author of the ''Ben Cao Gang Mu'' ([[Compendium of Materia Medica]])
* [[Martin Lister]] (c. 1638–1712), English, pioneer geologist
* [[William Edmond Logan]] (1798–1875), Canadian, founded [[Geological Survey of Canada]]
* [[Fred Longstaffe]], Canadian, Provost of [[University of Western Ontario]]
* [[Rosaly Lopes]] (born 1957), Brazilian, planetary geology and volcanology
* [[Sir Charles Lyell]] (1797–1875), Scottish geologist, popularized principle of [[Uniformitarianism (science)|uniformitarianism]]

==M==
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[[Image:Andrija Mohorovicic.gif|thumb|upright|[[Andrija Mohorovičić]], c.1880]]
[[File:Oscar Meinzer portrait.jpg|thumb|upright|Oscar Edward Meinzer]]
* [[William Maclure]] (1763–1840), published first [[geological map]] of United States (1809)
* [[J. Ross Mackay]] (1915–2014), Canadian [[permafrost]] geologist
* [[Robert Mallet]] (1810–1881), Irish, "father of [[seismology]]"
* [[Joseph A. Mandarino]] (1929–2007), American mineralogist
* [[Othniel Charles Marsh]] (1831–1899), American, pioneer [[dinosaur]] [[paleontologist]]; [[Bone Wars]] competitor
* [[Teresa Maryańska]] (1937–2019), Polish, [[paleontologist]] specializing in [[dinosaur]]s
* [[Kirtley F. Mather]] (1888–1978), Harvard professor, [[Scopes Trial|Scopes Monkey Trial]]
* [[William Williams Mather]] (1804–1859), professor, ''de facto'' state geologist of Ohio
* [[Drummond Matthews]] (1931–1997), British marine geologist, [[geophysicist]], [[plate tectonics]] pioneer
* [[Douglas Mawson|Sir Douglas Mawson]] (1882–1958), Australian [[Antarctic]] explorer
* Sir [[Frederick McCoy]] (c. 1817–1899), British and Australian [[palaeontologist]] and museum director
* [[Edith Merritt McKee]] (1918–2006), American geologist
* [[Dan McKenzie (professor)|Dan McKenzie]] (born 1942), British [[geophysicist]], [[plate tectonics]] pioneer
* [[Digby McLaren]] (1919–2004), Canadian [[paleontologist]], [[Fellow of the Royal Society]]
* [[Marcia McNutt]] (born 1952), American [[Geophysics|geophysicist]] and the 22nd president of the [[National Academy of Sciences]] (NAS) of the [[United States]], 15th director of the [[United States Geological Survey]] (USGS) (and first woman to hold the post)
* [[Oscar Edward Meinzer]] (1876–1948), American [[hydrologist]], "father of groundwater geology"
* [[Luiz Alberto Dias Menezes]] (1950–2014), Brazilian [[geologist]] and [[mineralogist]]
* [[Giuseppe Mercalli]] (1850–1914), Italian [[seismologist]] and [[volcanologist]], developed the [[Mercalli intensity scale]] for measuring [[earthquakes]]
* [[Hans Merensky]] (1871–1952), South African [[economic geologist]], discovered major diamond, platinum, chrome and copper deposits, including the [[Merensky Reef]]
* [[John C. Merriam]] (1869–1945), American, vertebrate [[paleontologist]], studied fossils from [[La Brea Tar Pits]]
* [[Waman Bapuji Metre]] (1906–1970), Indian, [[petroleum geologist]]
* [[Ellen Louise Mertz]] (1896–1987), was one of Denmark's first female geologists and the country's first [[engineering geologist]]. 
* [[Gerard V. Middleton]] (1931–2021), Canadian, sedimentologist, awarded [[Logan Medal]]
* [[Milutin Milanković]] (1879 - 1958), Serbian, geophysicist, climatologist
* [[Hugh Miller]] (1802–1856), Scottish, geologist, palaeontologist,  author, ''The Old Red Sandstone''
* [[John Milne]] (1850–1913), British seismologist and anthropologist, [[Order of the Rising Sun]]
* [[Andrija Mohorovičić]] (1857–1936), Croatian [[meteorologist]] and [[seismologist]], discovered [[Mohorovicic Discontinuity]]
* [[Friedrich Mohs]] (1773–1839), German, devised [[Mohs' scale of mineral hardness]]
* [[James Monger]], Canadian [[Cordillera]] geologist, won [[Logan Medal]]
* [[Eldridge Moores]] (1938–2018), American [[plate tectonics]] pioneer and petrologist who specialized in [[ophiolites]] 
* [[Marie Morisawa]] (1919–1994), American [[geomorphology]] pioneer. The [[Geological Society of America]] established the Marie Morisawa Award in her honor. 
* [[W. Jason Morgan]] (1935–2023), American [[plate tectonics]] pioneer, won [[National Medal of Science]]
* [[Edelmira Inés Mórtola]] (1894–1973), Argentine geologist for whom the Mórtola Mineralogy Museum was named.
* [[Eric W. Mountjoy]] (1931–2010), Canadian sedimentologist and petrologist, awarded [[Logan Medal]]
* [[Roderick Murchison]] (1792–1871), Scottish, author of ''The Silurian System'' (1839)
* [[Emiliano Mutti]] (born 1933), Italian [[petroleum geologist]], won [[Twenhofel Medal]]

==N==
<!-- Please note, this is not intended to be a list of every geologist with a wiki page. Please limit additions to famous or especially notable  geologists. Thank you!-->
[[File:John Strong Newberry.jpg|thumb|upright|[[John Strong Newberry]] ]]
* [[Anthony J. Naldrett]] (1933–2020), Canadian (born England) [[nickel]] ore geologist
* [[E. R. Ward Neale]] (1923–2008), [[Atlantic Canada]] geologist
* [[John Strong Newberry]] (1822–1892), American, pioneer Western geologist and explorer
* [[Ernest Henry Nickel|Ernest (Ernie) H. Nickel]] (1925–2009), Canadian mineralogist
* [[Stephen Robert Nockolds]] (1909–1990), [[Fellow of the Royal Society|FRS]] and [[Murchison Medal]]list, petrologist
* [[Nils Gustaf Nordenskiöld]] (1792–1866), Finnish and Russian, [[mineralogist]]

==O==
<!-- Please note, this is not intended to be a list of every geologist with a wiki page. Please limit additions to famous or especially notable  geologists. Thank you!-->

* [[Henry Fairfield Osborn]] (1857–1935), American [[geologist]] and [[paleontologist]]
* [[Halszka Osmólska]] (1930–2008), Polish [[paleontologist]] specializing in [[dinosaur]]s
* [[John Ostrom]] (1928–2005), American, dinosaur [[paleontologist]], discovered warm-blooded [[Deinonychus]]
* [[David Dale Owen]] (1807–1860), American, first state geologist of Indiana, Kentucky, and Arkansas

==P==
<!-- Please note, this is not intended to be a list of every geologist with a wiki page. Please limit additions to famous or especially notable  geologists. Thank you!-->
* [[Joseph Pardee]] (1871–1960), American, [[channeled scablands]]
* [[Clair Patterson|Clair Cameron Patterson]] (1922–1995), American, geochemist, fought [[lead poisoning]]
* [[R.A.F. Penrose, Jr.]] (1863–1931), American, mining geologist, [[Penrose Medal]]
* [[Francis J. Pettijohn]] (1904–1999), American, sedimentologist
* [[John Phillips (geologist)|John Phillips]] (1800–1874), [[Yorkshire]] geologist
* [[John Arthur Phillips]] (1822–1887), FRS, Cornish geologist, metallurgist and mining engineer
* [[Vasiliy Podshibyakin]] (1928–1997), Soviet [[geologist]], discoverer of [[Urengoy gas field]]
* [[Vladimir Porfiriev]] (1899–1982), Russian [[petroleum geologist]]
* [[Henry W. Posamentier]] (born 1948), American, petroleum geologist
* [[John Wesley Powell]] (1834–1902), American, ex-soldier who mapped the [[Colorado River]], second director of the [[USGS]]
* [[Raymond A. Price]] (1933-2024), Canadian, structural and tectonic geologist
* [[Raphael Pumpelly]] (1837–1923), American, geologist and explorer

==Q==
<!-- Please note, this is not intended to be a list of every geologist with a wiki page. Please limit additions to famous or especially notable  geologists. Thank you!-->
* [[Jin Qingmin]] (1939-1999), Chinese, discovered for the first time the “[[breccia]] field [[peridotite]]” in Bachu Wajir Tagar in the Tarim Basin

==R==
<!-- Please note, this is not intended to be a list of every geologist with a wiki page. Please limit additions to famous or especially notable  geologists. Thank you!-->

[[Image:CharlesRichter.jpg|thumb|upright|[[Charles Richter]], c.1971]]
* [[Bangalore Puttaiya Radhakrishna]] (1918–2012), a founder and officer of the [[Geological Society of India]]
* [[John G. Ramsay]] (1931–2021), British structural geologist
* [[Frederick Leslie Ransome]] (1868–1935), American (born England), [[USGS]] [[economic geologist]], [[National Academy of Sciences]]
* [[David M. Raup]] (1933–2015), American, [[paleontologist]]; author of  ''Extinction: Bad Genes or Bad Luck?''
* [[Mary Louise Rhodes]] (1916–1987) American [[petroleum geologist]]; Permian Basin field research
* [[Charles Richter]] (1900–1985), American seismologist, devised [[Richter magnitude scale]] for earthquakes
* [[Ferdinand von Richthofen]] (1833–1905), German geologist and geographer
* [[Ted Ringwood|A.E. "Ted" Ringwood]] (1930–1993), Australian experimental geophysicist and geochemist, [[Wollaston Medal]] winner
* [[Andrés Manuel del Río]] (1764–1849), Spanish–Mexican [[mineralogist]], discoverer of [[vanadium]]
* [[Alfred Rittmann]] (1893–1980), Swiss volcanologist, three-time president of the [[International Association of Volcanology and Chemistry of the Earth's Interior|IAVCEI]], Gustav Steinmann medal winner
* [[John Cole Roberts]] (1935–2016), Welsh geoglogist, fracture patterning
* [[Ralph J. Roberts (geologist)|Ralph J. Roberts]] (1911–2007), American geologist, [[Nevada]] gold districts
* [[Meyer Rubin]] (1924–2020), American geologist, known for [[radiocarbon dating]] work with the [[USGS]]
* [[Keith Runcorn|Stanley Keith Runcorn]] (1922–1995), British geophysicist and [[plate tectonics]] pioneer; [[Fellow of the Royal Society]]

==S==
<!-- Please note, this is not intended to be a list of every geologist with a wiki page. Please limit additions to famous or especially notable  geologists. Thank you!-->

[[Image:William Smith.g.jpg|thumb|upright|[[William Smith (geologist)|William Smith]], father of English geology]]
* [[Donald F. Sangster]], Canadian, lead-zinc [[economic geologist]]
* [[Emilia Săulea]] (1904–1998), Romanian geologist and paleontologist
* [[Celâl Şengör]] (born 1955), Turkish, member of The United States National Academy of Sciences and The Russian Academy of Sciences, Bigsby Medal, Gustav-Steinmann-Medaille and Arthur Holmes Medal winner
* [[Harrison Schmitt]] (born 1935), American, [[Apollo 17]] astronaut, walked on the Moon
* [[Kevin M. Scott]] (born 1935), American, volcanology research in United States and China, [[Kirk Bryan Award]]
* [[George Julius Poulett Scrope]] (1797–1876), English, volcanology, Wollaston Medal
* [[Adam Sedgwick]] (1785–1873), English, proposed [[Devonian]] and [[Cambrian]] periods
* [[Karl von Seebach]] (1839–1880), German volcanologist
* [[Adolf Seilacher]] (1925-2014), German paleontologist, invented the concept and study of [[ichnofacies]], coined the term "[[Lagerstätten]]", and championed the [[Photoautotroph|photoautotrophic]] view of the [[Ediacaran biota]]. Craaford Prize, Paleontological Society Award, Gustav-Steinmann-Medaille, and Lapworth Award winner, among others.
* [[Seikei Sekiya]] (1855–1896), Japanese seismologist, created the model showing the motion of an earth-particle during an [[earthquake]]
* [[Nicholas Shackleton]] (1937–2006), British geologist and [[climatologist]]
* [[Shen Kuo]] (1031–1095), Chinese scientist, magnetic [[compass]] pioneer, [[geomorphology]] theory
* [[Richard H. Sibson]] (born 1945), New Zealand geologist, defined the relationship between seismogenic processes and fault zone rheology.
* [[Eugene Merle Shoemaker]] (1928–1997), American, meteoriticist, co-discovered [[Comet Shoemaker-Levy]]
* [[Haraldur Sigurdsson]], (born 1939), Icelandic, provided proof for a [[meteorite impact]] at the time of the extinction of the dinosaurs
* [[Leon Silver]] (1925–2022), American, National Academy, [[NASA]] medal for contribution to [[Apollo program]]'s lunar explorations
* [[George Gaylord Simpson]] (1902–1984), American, [[paleontologist]]
* [[Kamini Singha]] (born 1977), professor at the [[Colorado School of Mines]]
* [[William Smith (geologist)|William Smith]] (1769–1839), father of English Geology
* [[Su Song]] (1020–1101), Chinese naturalist, author of treatise on [[metallurgy]] and [[mineralogy]]
* [[Paul Spudis]] (1952–2018), American planetary geologist
* [[Josiah Edward Spurr]] (1870–1950), American, geologist, author and Alaskan explorer
* [[Laurence Dudley Stamp]] (1898–1966), British, petroleum geologist and geographer
* [[Charles Steen]] (1919–2006), American, discovered [[uranium]] near [[Moab, Utah]]
* [[Max Steineke]] (1898–1952), American, discovered Abqaiq oilfield with 12 billion barrels of recoverable oil in [[Saudi Arabia]]
* [[Charles R. Stelck]] (1917–2016), Canadian, [[petroleum geologist]], emeritus professor, [[Logan Medal]] winner
* [[Nicolas Steno]] (1638–1686), Danish, pioneer in early-modern geology, especially in [[stratigraphy]]
* [[Iain Stewart (geologist)|Iain Stewart]] (born 1964), British, presenter of several television series on geology
* [[Clifford H. Stockwell]] (1897–1987), Canadian structural geologist, [[Geological Survey of Canada]], [[Logan Medal]] winner
* [[David Strangway]] (1934–2016), Canadian, [[geophysicist]] and university administrator, [[Logan Medal]] award
* [[Karl Hugo Strunz|K. Hugo Strunz]] (1910–2006), German mineralogist, co-creator of the [[Nickel–Strunz classification]].
* [[Eduard Suess]] (1831–1914), Austrian (born England), named [[Gondwanaland]]
* [[Peter Szatmari (geologist)|Peter Szatmari]], Hungarian-Brazilian geologist, Gold Medal award, [[Sociedade Brasileira de Geologia]]

==T==
<!-- Please note, this is not intended to be a list of every geologist with a wiki page. Please limit additions to famous or especially notable geologists. Thank you!-->

* [[Pierre Teilhard de Chardin]] (1881–1955), French [[paleontologist]] and philosopher, co-discovered [[Peking Man]]
* [[Karl von Terzaghi]] (1883–1963), geologist and civil engineer, "father of soil mechanics"
* [[Marie Tharp]] (1920–2006), co-discoverer of the [[Mid-Oceanic Ridge]]
* [[Lonnie Thompson]] (born 1948), American, [[glaciologist]] and ice-core [[climatologist]]
* [[Sigurdur Thorarinsson]] (1912–1983), Icelandic, pioneered the field of [[tephrochronology]]
* [[Raymond Thorsteinsson]] (1921–2012), Canadian, Arctic geologist
* [[Bahal Tambunan]] (born 1974), Indonesian geoscientist who studies [[geothermal energy]]
* [[Phillip Tobias]] (1925–2012), South African [[palaeoanthropologist]], [[homo habilis]] pioneer
* [[Otto Martin Torell]] (1828–1900), chief of the Geological Survey of Sweden
* [[Francis John Turner]] (1904–1985), New Zealand, igneous and metamorphic [[petrologist]]
* [[Joseph Tyrrell]] (1858–1957), Canadian [[paleontologist]], namesake of [[Royal Tyrrell Museum of Palaeontology]]

==U==
<!-- Please note, this is not intended to be a list of every geologist with a wiki page. Please limit additions to famous or especially notable  geologists. Thank you!-->
* [[Warren Upham]] (1850–1934), American, studied glacial [[Lake Agassiz]]
* [[David Ure]] (1749–1798), Scottish, known as "the father of Scottish palaeontology"

==V==
<!-- Please note, this is not intended to be a list of every geologist with a wiki page. Please limit additions to famous or especially notable  geologists. Thank you!-->
* [[Charles-Louis-Joseph-Xavier de la Vallée-Poussin]] (1827–1903), Belgian [[geologist]] and [[mineralogist]]
* [[Jan Veizer]] (born 1941), Canadian isotope [[geochemist]]
* [[Felix Andries Vening Meinesz]] (1887–1966), Dutch [[geophysicist]] and gravimetric   [[geodesist]]
* [[Rogier Verbeek]] (1845–1926), Dutch geologist and nature scientist
* [[Vladimir Vernadsky]] (1863–1945), pioneer Russian [[geochemist]] and [[biogeochemist]]
* [[Fred Vine]] (1939–2024), British marine geologist, [[geophysicist]], [[plate tectonics]] pioneer

==W==
<!-- Please note, this is not intended to be a list of every geologist with a wiki page. Please limit additions to famous or especially notable  geologists. Thank you!-->

[[Image:Wegener Alfred signature.jpg|thumb|upright|[[Alfred Wegener]], c.1925]]
* [[Lawrence Wager]] (1904–1965), British geologist and explorer, discovered the [[Skaergaard intrusion]]
* [[Charles Doolittle Walcott]] (1850–1927), American [[paleontologist]], discovered [[Burgess Shale]] fossils
* [[George P. L. Walker]] (1926–2005), British volcanologist
* [[Roger G. Walker]] (born 1939), Canadian sedimentologist, emeritus professor
* [[Wolfgang Sartorius von Waltershausen]] (1809–1876), German, magnetic observations and study of [[Mount Etna]]
* [[Janet Watson]],  (1923–1985), [[Precambrian]] specialist, first female president of the [[Geological Society of London]]
* [[Alfred Wegener]] (1880–1930), German [[meteorologist]], [[continental drift]] pioneer
* [[Harold Wellman]] (1909–1999), New Zealand geologist of [[plate tectonics]]
* [[Abraham Werner]] (c. 1749–1817), German, proponent of [[Neptunism]]
* [[Israel Charles White]] (1848–1927), American, coal geology; Permian paleontology
* [[Josiah Whitney]] (1819–1896), chief of the [[California Geological Survey]]; [[Mount Whitney]]
* [[Harold Williams (geologist)|Harold Williams]] (1934–2010), [[Atlantic Canada]] geologist
* [[Howel Williams]] (1898–1980), American (born England) [[volcanologist]]
* [[John Williamson (geologist)|John Williamson]] (1907–1958), discovered the [[Williamson diamond mine]], Tanzania
* [[J. Tuzo Wilson]] (1908–1993), Canadian [[geophysicist]] and [[plate tectonics]] geologist
* [[Newton Horace Winchell]] (1839–1914), American, [[geology of Minnesota]]
* [[Isaac J. Winograd]], American geologist
* [[Jay Backus Woodworth]] (1865–1925), American geologist and president of the [[Seismological Society of America]] 
* [[William Henry Wright]] (1876–1951), Canadian [[Prospecting|prospector]] and newspaper publisher, discovered [[Kirkland Lake]] gold district

==Y==
<!-- Please note, this is not intended to be a list of every geologist with a wiki page. Please limit additions to famous or especially notable geologists. Thank you!-->
* [[Eiju Yatsu]] (1920–2016), Japanese, [[geomorphologist]]
* [[Ivan Yefremov]] (1907–1972), Soviet [[paleontologist]] and originator of [[taphonomy]]
*[[Sorojon Yusufova]] (1910–1966), Tajik [[geologist]], first person to publish a textbook in the Tajik language

==Z==
<!-- Please note, this is not intended to be a list of every geologist with a wiki page. Please limit additions to famous or especially notable geologists. Thank you!-->
* [[Peter Ziegler]] (1928–2013), Swiss [[petroleum geologist]], researched on [[plate reconstruction]]s and [[paleogeography|paleogeographies]]
* [[Mary Lou Zoback]] (born 1952), American [[geophysicist]] who led the world stress map project of the International [[Lithosphere]] Program

{{compact TOC|side=yes|top=yes|num=yes}}

==See also==
* [[List of geophysicists]]
* [[List of mineralogists]]
* [[List of paleontologists]]
* [[List of Russian geologists]]

==References==
{{Reflist}}

{{DEFAULTSORT:List of Geologists}}
[[Category:Lists of natural scientists|Geologists]]
[[Category:Geologists|*]]
[[Category:Geology-related lists|Geologists]]