Editing List of biologists (section)

==T==
===Ta–Ti===
*[[Władysław Taczanowski]] (1819–1890), Polish zoologist<ref>Abbreviation in zoology: Taczanowski</ref> who mainly worked on ornithology but also described reptiles, arachnids and other taxa
*[[Armen Takhtajan]] (1910–2009), Armenian botanist<ref>Abbreviation in botany: Takht.</ref> who worked on plant evolution, systematics and biogeography
*[[Charles Tanford]] (1921–2009), American protein chemist known for analysis of the hydrophobic effect
*[[Diana Temple]] (1925–2006), Australian pharmacologist known for work on [[respiratory pharmacology]]
*[[Peter Gustaf Tengmalm]] (1754–1803), Swedish physician and naturalist who worked on both medicine and ornithology
*[[Coenraad Jacob Temminck]] (1778–1858), Dutch zoologist<ref>Abbreviation in zoology: Temminck</ref> whose ''Manuel d'ornithologie'' was the standard work on European birds for many years
*[[Theophrastus]] (372&nbsp;BC – 287&nbsp;BC), biologist and the successor of Aristotle in the Peripatetic school, popularizer of science
*[[Johannes Thiele (zoologist)|Johannes Thiele]] (1860–1935), German zoologist<ref>Abbreviation in zoology: Thiele</ref> and malacologist whose classification of Gastropoda remained in use for many years
*[[Mason B. Thomas|Mason Blanchard Thomas]] (1866–1912), American phytopathologist and botanist,<ref name="Kent-1979">{{cite journal | last=Kent | first=G C | title=Important Little-Known Contributors to Plant Pathology: Mason Blanchard Thomas | journal=[[Annual Review of Phytopathology]] | publisher=[[Annual Reviews (publisher)|Annual Reviews]] | volume=17 | issue=1 | year=1979 | issn=0066-4286 | doi=10.1146/annurev.py.17.090179.000321 | pages=21–28 | s2cid=86279685| doi-access=free }} {{s2cid|85833202}}</ref> coauthor of ''A laboratory manual of plant histology''
*[[Oldfield Thomas|Michael Rogers Oldfield Thomas]] (1858–1929), British zoologist<ref>Abbreviation in zoology: Thomas</ref> whose work on mammals, led to the description of many new species
*[[D'Arcy Wentworth Thompson]] (1860–1942), Scottish biologist, author of ''[[On Growth and Form]]''
*[[William Thompson (Ornithologist)|William Thompson]] (1805–1852), Irish ornithologist and naturalist who published numerous notes on many aspects of birds
*[[Charles Wyville Thomson]] (1832–1882), Scottish marine biologist who studied the biological conditions of the deep seas 
*[[Louis-Marie Aubert du Petit-Thouars]] (1758–1831), French botanist<ref>Abbreviation in botany: Thouars</ref> known for his work on orchids from Madagascar, Mauritius and Réunion
*[[Carl Peter Thunberg]] (1743–1828), Swedish naturalist<ref>Abbreviation in zoology: Thunberg, abbreviation in botany: Thunb.</ref> who collected and described plants and animals from southern Africa and Asia
*[[Samuel Tickell]] (1811–1875), British ornithologist who  contributed to the ornithology and mammalology of India
*[[Niko Tinbergen]] (1907–1988), Dutch ethologist<ref>Abbreviation in zoology: Tinbergen</ref> awarded the Nobel Prize for work on organization and social behavior patterns of animals
*[[Ignacio Tinoco Jr.]] (1930–2016), American chemist known for pioneering work on RNA folding
*[[Arne Tiselius]] (1902–1971), Swedish biochemist awarded the Nobel Prize for development of protein electrophoresis.

===To–Tu===
*[[Agostino Todaro]] (1818–1892), Italian botanist<ref>Abbreviation in botany: Tod.</ref> who described Sicilian plants
*[[Susumu Tonegawa]] (born 1939), Japanese biologist, awarded the Nobel Prize discovery of the genetic principle for generation of antibody diversity, later primarily interested in neuroscience
*[[John Torrey]] (1796–1873), American botanist<ref>Abbreviation in botany: Torr.</ref> who described plants of the USA 
*[[Joseph Pitton de Tournefort]] (1656–1708), French botanist,<ref>Abbreviation in botany: Tourn.</ref> the first to make a clear definition of the concept of genus for plants
*[[John Kirk Townsend]] (1809–1851), American ornithologist who collected animal specimens for John James Audubon
*[[Thomas Stewart Traill]] (1781–1862), Scottish doctor and naturalist,<ref>Abbreviation in zoology: Traill</ref> specialist in medical jurisprudence
*[[Abraham Trembley]] (1710–1784), Swiss naturalist, known for being the first to study freshwater polyps
*[[Melchior Treub]] (1851–1910), Dutch botanist<ref>Abbreviation in botany: Treub</ref> who worked on plants of south-east Asia
*[[Henry Baker Tristram]] (1822–1906), English clergyman and ornithologist<ref>Abbreviation in zoology: Tristram</ref> who tried to reconcile evolution and creation
*[[Robert Trivers]] (born 1943), American evolutionary biologist and sociobiologist known for the theories of reciprocal altruism and parental investment
*[[Édouard Louis Trouessart]] (1842–1927), French naturalist<ref>Abbreviation in zoology: Trouessart</ref> who wrote ''Microbes, ferments and moulds''
*[[Frederick W. True]] (1858–1914), American naturalist<ref>Abbreviation in zoology: True</ref> who initially studied invertebrates, and later cetaceans 
*[[George Washington Tryon]] Jr. (1838–1888), American malacologist,<ref>Abbreviation in zoology: Tryon</ref> who named more than 5,600 new molluscs species
*[[Chen-Lu Tsou]] (1923–2006), Chinese biochemist known for work on enzyme inactivation kinetics, and as the "face of Chinese biochemistry" in the west
*[[Bernard Tucker]] (1901–1950), English ornithologist, a leader of the collaborative Oxford Bird Census in 1927
*[[Edward Tuckerman]] (1817–1886), American botanist<ref>Abbreviation in botany: Tuck.</ref> who studied lichens and other alpine plants
*[[Endel Tulving]] (1927–2023), Estonian-Canadian neuroscientist, known for his pioneering research on human memory
*[[Marmaduke Tunstall]] (1743–1790), English ornithologist,<ref>Abbreviation in zoology: Tunstall</ref> author of ''Ornithologica Britannica''
*[[Ruth Turner]] (1915–2000), American marine biologist, expert on shipworms, wood-boring bivalve mollusks 
*[[William Turton]] (1762–1835), British naturalist,<ref>Abbreviation in zoology: Turton</ref> author of ''A manual of the land and freshwater shells of the British Islands''