Editing List of biologists (section)

==J==
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* [[François Jacob]] (1920–2013), French biologist awarded the Nobel prize for studies of the regulation of transcription
* [[Nikolaus Joseph von Jacquin]] (1727–1817), Dutch-Austrian botanist,<ref>Abbreviation in botany: Jacq.</ref> chemist and mineralogist who collected plants in the Caribbean region
* [[Honoré Jacquinot]] (1815–1887), French surgeon and zoologist<ref>Abbreviation in zoology: Jacquinot</ref> who described and illustrated mollusc species
* [[Daniel Janzen|Daniel H. Janzen]] (born 1939), American entomologist and ecologist who has catalogued the biodiversity of Costa Rica
* [[William Jardine (naturalist)|William Jardine]] (1800–1874), Scottish naturalist<ref>Abbreviation in zoology: Jardine</ref> known for his book series ''The Naturalist's Library''
* [[Feliks Pawel Jarocki]] (1790–1865), Polish zoologist, curator of a large zoological collection
* [[Wojciech Jastrzębowski]] (1799–1882), Polish polymath; pioneer of [[ergonomics]]; 1831 proponent of a [[European union]] 
* [[Alec Jeffreys]] (born 1950), British biochemist and geneticist who invented genetic fingerprinting
* [[William Jencks]] (1927–2007), American biochemist who applied chemical mechanisms to enzyme-catalysed reactions, author of ''Catalysis in Chemistry and Enzymology''
* [[Thomas C. Jerdon]] (1811–1872), British physician, zoologist<ref>Abbreviation in zoology: Jerdon</ref> and botanist who described bird species of India. 
* [[John L. Jinks]] (1929–1987), British geneticist known for cytoplasmic inheritance
* [[Wilhelm Johannsen]] (1857–1927), Danish pharmacist, botanist, plant physiologist and geneticist who introduced the terms ''gene'', ''phenotype'' and ''genotype''
* [[Pauline Johnson (immunologist)|Pauline Johnson]] (20th–21st century), English immunologist and microbiologist concerned with innate and adaptive immune mechanisms 
* [[David Starr Jordan]] (1851–1931), ichthyologist and eugenicist, founding president of Stanford University
* [[Félix Pierre Jousseaume]] (1835–1921), French zoologist and malacologist who collected specimens from the Red Sea
* [[Mike Joy (freshwater ecologist)|Mike Joy]] (born 1959), New Zealand freshwater ecologist and science communicator
* [[Thomas H. Jukes]] (1906–1999), British-American biologist known for work in nutrition and molecular evolution
* [[Adrien-Henri de Jussieu]] (1797–1853), French botanist,<ref>Abbreviation in botany: A.Juss.</ref> author of ''Cours élémentaire de botanique'' and ''Géographie botanique''
* [[Antoine Laurent de Jussieu]] (1748–1836), botanist<ref>Abbreviation in botany: Juss.</ref> who classified flowering plants
* [[Bernard de Jussieu]] (1699–1777), French naturalist<ref>Abbreviation in botany: B.Juss.</ref> who classified the plants in the royal garden at Versailles
* [[Ernest Everett Just]] (1883–1941), American biologist, author of ''Basic Methods for Experiments on Eggs of Marine Animals''

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