Editing List of biologists (section)

== D ==
=== Da ===
*[[Valerie Daggett]] (thesis 1990), American bioengineer who simulates proteins and other biomolecules by molecular dynamics
*[[Anders Dahl]] (1751–1789), Swedish botanist<ref>Abbreviation in botany: Dahl</ref> whose name is recalled in the Dahlia, author of '' Observationes botanicae circa systema vegetabilium''
*[[Marie Daiber]] (1868–1928), German-born Swiss zoologist
*[[William Healey Dall]] (1845–1927), American [[Malacology|malacologist]], one of the earliest scientific explorers of interior Alaska. He described many mollusks of the Pacific Northwest of America
*[[Keith Dalziel]] (1921–1994), British biochemist, pioneer in systematizing the kinetics of two-substrate enzyme-catalysed reactions
*[[Carl Peter Henrik Dam]] (1895–1976), Danish physiologist who discovered vitamin K
*[[Marguerite Davis]] (1887–1967), American biochemist, co-discoverer of vitamins A and B
*[[J. C. Daniel (naturalist)|Jivanayakam Cyril Daniel]] (1927–2011), Indian naturalist, director of the [[Bombay Natural History Society]], author of ''The Book of Indian Reptiles''
*[[Charles Darwin]] (1809–1882), British naturalist,<ref>Abbreviation in zoology: Darwin</ref> author of [[On The Origin of Species|''The Origin of Species'']], in which he expounded the theory of natural selection, the starting point of modern evolutionary biology
*[[Erasmus Darwin]] (1731–1802), English physician and naturalist, founding member of the [[Lunar Society]], grandfather of Charles Darwin
*[[Jean Dausset]] (1916–2009), French immunologist who worked on the major histocompatibility complex
*[[Charles Davenport]] (1866–1944), American biologist and eugenicist, founded the [[Eugenics Record Office]] at Cold Spring Harbor Laboratory
*[[Gertrude Crotty Davenport]] (1866–1946), American zoologist prominent in the eugenics movement
*[[Armand David]] (Père David) (1826–1900), French zoologist and botanist,<ref>Abbreviation in zoology and in botany: David</ref> commissioned by the Jardin des Plantes to undertake scientific journeys through China 
*[[Bernard Davis (biologist)|Bernard Davis]] (1916–1994), American biologist who worked on microbial physiology and metabolism
*[[Richard Dawkins]] (born 1941), British evolutionary biologist and writer of popular science, author of ''[[The Selfish Gene]]'', ''[[The Blind Watchmaker]]'', ''[[The God Delusion]]'' and other influential books
*[[Margaret Oakley Dayhoff]] (1925–1983), American biochemist, pioneer in bioinformatics.

=== De–Di ===
*[[Pierre Antoine Delalande]] (1787–1823), French naturalist employed by the National Museum of Natural History to collect natural history specimens
*[[Max Delbrück]] (1906–1981), German-American physicist and biologist who demonstrated that natural selection acting on random mutations applied to bacteria, one of the creators of molecular biology; Nobel Prize 1969.
*[[Richard Dell]] (1920–2002), New Zealand malacologist, author of ''The Archibenthal Mollusca of New Zealand''
*[[Stefano Delle Chiaje]] (1794–1860), Italian zoologist, botanist,<ref>Abbreviation in botany: Chiaje</ref> anatomist and physician who worked on medicinal plants and on the taxonomy of invertebrates
*[[Paul Émile de Puydt]] (1810–1888), Belgian botanist,<ref>Abbreviation in botany: De Puydt</ref> author of ''Les Orchidées, histoire iconographique ...'', active in political philosophy as well as botany
*[[René Louiche Desfontaines]] (1750–1833), French botanist<ref>Abbreviation in zoology: Desfontaines; abbreviation in botany: Desf.</ref> and ornithologist who collected many plants in Tunisia and Algeria
*[[Gérard Paul Deshayes]] (1795–1875), French geologist and conchologist, distinguished for research on mollusc fossils 
*[[Anselme Gaëtan Desmarest]] (1784–1838), French zoologist,<ref>Abbreviation in zoology: Desmarest</ref> author of ''Histoire Naturelle des Tangaras, des Manakins et des Todiers'' (natural history of various birds)
*[[Margaret Dick]] (1918–2008), pioneering Australian [[microbiologist]]
*[[Ernst Dieffenbach]] (1811–1855), German naturalist,<ref>Abbreviation in zoology: Dieffenbach</ref> one of the first scientists to work in New Zealand
*[[Johann Jacob Dillenius]] (1684–1747), German botanist<ref>Abbreviation in botany: Dill.</ref> who worked in England on rare plants and mosses
*[[Lewis Weston Dillwyn]] (1778–1855), British botanist<ref>Abbreviation in botany: Dillwyn</ref> and conchologist, also active in porcelain manufacture and politics, author of ''The British Confervae'', an illustrated study of British freshwater algae
*[[John T. Dingle]] (active from 1959) British biologist and rheumatologist.
*[[Joan Dingley|Joan Marjorie Dingley]] (1916–2008), New Zealand mycologist,<ref>Abbreviation in botany: Dingley</ref> world authority on fungi and New Zealand plant diseases
*[[Zacharias Dische]] (1895–1988), Ukrainian-Jewish-American biochemist who discovered metabolic regulation by feedback inhibition
*[[Malcolm Dixon (biochemist)|Malcolm Dixon]] (1899–1985), British biochemist, authority on enzyme structure, kinetics, and properties; author (with [[Edwin C. Webb|Edwin Webb]]) of ''Enzymes''.

=== Do–Du ===
*[[Walter Dobrogosz]] (born 1933), American microbiologist, discoverer of ''Lactobacillus reuteri''
*[[Theodosius Dobzhansky]] (1900–1975), American geneticist of Ukrainian origin, one of the  leading evolutionary biologists of his time
*[[Rembert Dodoens]] (1517–1585), Flemish botanist<ref>Abbreviation in botany: Dodoens</ref> who classified plants according to  their properties and affinities (rather than listing them alphabetically)
*[[Anton Dohrn]] (1840–1909), German marine biologist, Darwinist, founder of the world's first zoological research station, in Naples
*[[David Don]] (1799–1841), British botanist who described major conifers discovered in his time, including the [[Coast Redwood]].
*[[George Don]] (1798–1856), British botanist known for his four-volume ''A General System of Gardening and Botany''.
*[[James Donn]] (1758–1813), English botanist,<ref>Abbreviation in botany: Donn</ref> curator of the Cambridge University Botanic Gardens, and author of ''Hortus Cantabrigiensis''
*[[Jean Dorst]] (1924–2001), French ornithologist, authority on bird migration and one of the writers of ''Le Peuple Migrateur'' (Winged Migration)
*[[Edward Doubleday]] (1810–1849), British entomologist known for ''The Genera of Diurnal Lepidoptera''
*[[Henry Doubleday (1808–1875)|Henry Doubleday]] (1808–1875), British entomologist,<ref>Abbreviation in zoology: Doubleday</ref> author of the first catalogue of British butterflies and moths, ''Synonymic List of the British Lepidoptera''
*[[Jennifer Doudna]] (born 1964), American biochemist known for [[CRISPR]]-mediated genome editing; Nobel Prize 2020
*[[David Douglas (botanist)|David Douglas]] (1799–1834), Scottish botanist<ref>Abbreviation in botany: Douglas</ref> who studied conifers. The [[Douglas-fir]] is named after him.
*[[Patricia Louise Dudley]] (1929–2004), American zoologist who studied copepods (small crustaceans)
*[[Peter Duesberg]] (born 1936), German-American virologist who discovered the first retrovirus, and expert on genetic aspects of cancer, but his research contributions are overshadowed by his unpopular views on AIDS
*[[Félix Dujardin]] (1802–1860), French zoologist who studied protozoans, and also the structure of the insect brain
*[[Renato Dulbecco]] (1914–2012), Italian-American virologist awarded the Nobel Prize for work on oncoviruses
*[[Ronald Duman]] (1954–2020), American neuroscientist whose work in [[biological psychiatry]] concerned the biological mechanisms behind antidepressants
*[[André Marie Constant Duméril]] (1774–1860), French zoologist<ref>Abbreviation in zoology: Duméril (also used for [[Auguste Duméril]])</ref> at the Muséum national d'histoire naturelle, who worked on herpetology and ichthyology
*[[Auguste Duméril]] (1812–1870), French zoologist, professor of herpetology and ichthyology, noted for ''Catalogue méthodique de la collection des Reptiles''
*[[Charles Dumont de Sainte-Croix]] (1758–1830), French lawyer, but also an amateur ornithologist<ref>Abbreviation in zoology: Dumont</ref> who described a number of Javanese bird species
*[[Michel Felix Dunal]] (1789–1856), French botanist<ref>Abbreviation in botany: Dunal</ref> known for work on the genus [[Solanum]]
*[[Robin Dunbar]] (born 1947), British anthropologist and evolutionary psychologist, a specialist in primate behaviour.
*[[Gerald Durrell]] (1925–1995), British naturalist,<ref>Abbreviation in zoology: Durrell</ref> writer, zookeeper, conservationist, and television presenter, writer of popular books, such as ''[[My Family and Other Animals]]''
*[[Christian de Duve]] (1917–2013), Belgian cytologist and biochemist, discoverer of peroxisomes and lysosomes