Editing List of biologists (section)

=== Ab–Ag ===
*[[John Jacob Abel]] (1857–1938), American biochemist and [[pharmacologist]], founder of the first department of pharmacology in the United States.
*[[John Abelson]] (born 1938), American biologist with expertise in biophysics, biochemistry, and genetics
*[[Richard J. Ablin]] (born 1940), American immunologist. Research on prostate cancer.  Discovered prostate-specific antigen (PSA) which led to the development of the PSA test
*[[Erik Acharius]] (1757–1819), Swedish botanist<ref>Abbreviation in botany: Ach.</ref> who studied lichens
*[[Gary Ackers]] (1939–2011), American biophysicist who worked on thermodynamics of macromolecules.
*[[Gilbert Smithson Adair]] (1896–1979), British protein chemist who  identified cooperative binding of oxygen binding haemoglobin.
*[[Arthur Adams (zoologist)|Arthur Adams]] (1820–1878), English physician and naturalist<ref>Abbreviation in zoology: A. Adams</ref> who classified crustaceans and molluscs
*[[Michel Adanson]] (1727–1806), French naturalist<ref>Abbreviation in botany: Adans.</ref> who studied the plants and animals of Senegal
*[[Julius Adler (biochemist)|Julius Adler]] (born 1930), American biochemist and geneticist known for work on [[chemotaxis]].
*[[Monique Adolphe]] (1932–2022), French cell biologist, pioneer of cell culture
*[[Edgar Douglas Adrian]] (1st Baron Adrian) (1889–1977), British electrophysiologist, Nobel Prize in Physiology or Medicine (1932) for research on neurons
*[[Adam Afzelius]] (1750–1837), Swedish botanist<ref>Abbreviation in botany: Afzel.</ref> who collected botanical specimens later acquired by Uppsala University
*[[Carl Adolph Agardh]] (1785–1859), Swedish botanist<ref>Abbreviation in botany: C. Agardh</ref> who classified plant orders and classes
*[[Jacob Georg Agardh]] (1813–1901), Swedish botanist<ref>Abbreviation in botany: J.Agardh</ref> known for classification of algae
*[[Louis Agassiz]] (1807–1873), Swiss zoologist<ref>Abbreviations in zoology: Agassiz, Ag., L. Ag., Agass.</ref> who studied the classification of fish; opponent of natural selection
*[[Alexander Agassiz]] (1835–1910), American zoologist,<ref>Abbreviations in zoology: A. Agassiz, A. Ag.</ref> son of Louis Agassiz, expert of marine biology and on mining
*[[Nikolaus Ager]] (also Nicolas Ager, Agerius) (1568–1634), French botanist, author of ''[[De Anima Vegetativa]]''