Biology is one of the most fascinating and diverse fields of study in science. People concerning the study, primarily known as biologists, have made many ground-breaking discoveries in this branch of science. While some of these discoveries have helped in curing diseases, others have assisted in performing medical procedures and classifying animals. Since ancient times, the field of biology has had many greatest biologists who have contributed phenomenally in the field. Greek biologists Hippocrates became known as the Father of Western Medicine, as he presented with his work a guide outlining ways of treating patients. Since thence, each century was blessed with some of prolific scientists in the field who gave new definition and new meaning to various biological process and made several pioneering discoveries. The 20th century saw of the greatest biologists, such as, James Watson, Francis Crick, Norman Borlaug and Walter Gilbert. These, however, are just a handful of the long list of biologists in the century. Read this section to find famous biologists of the 20th century.
Richard Dawkins Richard Dawkins
26 March 1941, British
Evolutionary Biologist
Norman BorlaugNorman Borlaug
25 March 1914, American
Father of the Green Revolution

Rachel CarsonRachel Carson
27 May 1907, American
Marine biologist

Francis CrickFrancis Crick
08 June 1916, British
Co-discoverer of the Structure of the DNA

E. O. WilsonE. O. Wilson
10 June 1929, American
Biologist

Lynn MargulisLynn Margulis
05 March 1938, American
Author
David BaltimoreDavid Baltimore
07 March 1938, American
Virologist

Venkatraman RamakrishnanVenkatraman Ramakrishnan
1952 AD, Indian, British, American
Structural biologist

Ernst MayrErnst Mayr
05 July 1904, American
Biologist
Peter Brian Medwar Peter Medawar
28 February 1915, British
Biologist

Elizabeth BlackburnElizabeth Blackburn
26 November 1948, Australian, American
American-Australian researcher
Nikolaas TinbergenNikolaas Tinbergen
15 April 1907, Dutch
Ornithologist

Ernest Everett JustErnest Everett Just
14 August 1883, American
Biologist

Jacques MonodJacques Monod
09 February 1910, French
Biologist

Salvatore Edoardo LuriaSalvador Luria
13 August 1912, Italian
Microbiologist

François JacobFrançois Jacob
17 June 1920, French
Biologist
Christiane Nüsslein-VolhardChristiane Nüsslein-Volhard
20 October 1942, German
Researcher

Christian de DuveChristian de Duve
02 October 1917, Belgian
Biochemist

George WaldGeorge Wald
18 November 1906, American
Scientist

Donald A. GlaserDonald A. Glaser
21 September 1926, American
Physicist & Molecular Biologist
Hamilton Othanel SmithHamilton O. Smith
23 August 1931, American
Microbiologist

Sidney AltmanSidney Altman
07 May 1939, Canadian, American
Molecular Biologist
Daniel NathansDaniel Nathans
30 October 1928, American
Microbiologist

Roger GuilleminRoger Guillemin
11 January 1924, French
Physiologist

Gustav NossalGustav Nossal
04 June 1931, Australian
Immunologist
Eric Francis WieschausEric F. Wieschaus
08 June 1947, American
Development Biologist

Marguerite VogtMarguerite Vogt
13 February 1913, American
Biologist & Virologist
George E. PaladeGeorge E. Palade
19 November 1912, Romanian
Cell Biologist

André Michel LwoffAndré Lwoff
08 May 1902, French
Microbiologist

Philip Allen SharpPhilip Allen Sharp
06 June 1944, American
Geneticist, Molecular Biologist
Georges J. F. KohlerGeorges J. F. Kohler
17 April 1946, German
Immunologist, Biologist

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Jeremy WadeJeremy Wade
23 March 1956, British
Biologist, Television presenter, Writer
Eugene SledgeEugene Sledge
04 November 1923, American
Biologist, Soldier, Academic, University teacher,

Kiran Mazumdar-ShawKiran Mazumdar-Shaw
23 March 1953, Indian
Business woman

Luc MontagnierLuc Montagnier
18 August 1932, French
Physician, Biologist, Virologist, Researcher,

Bruce LiptonBruce Lipton
21 October 1944, American
Biologist
Michael LevittMichael Levitt
09 May 1947, American, South African
Physicist, Biologist, Bioinformatician, Chemist,
Nell NewmanNell Newman
08 April 1959, American
Actress

Siddhartha MukherjeeSiddhartha Mukherjee
21 July 1970, Indian, American
Physician

Bruce Edwards IvinsBruce Edwards Ivins
22 April 1946, American
Biologist, Scientist, Circus performer, Politician

Kathleen RubinsKathleen Rubins
14 October 1978, American
Astronaut, Biologist
James LovelockJames Lovelock
26 July 1919, British
Biologist, Chemist, University teacher,

Yoshinori OhsumiYoshinori Ohsumi
09 February 1945, Japanese
Biologist

Nikolai VavilovNikolai Vavilov
13 November 1887, Russian
botanist, biologist, explorer, geneticist,

Aubrey de GreyAubrey de Grey
20 April 1963, British
Biologist

J. B. S. HaldaneJ. B. S. Haldane
05 November 1892, Indian, British
Biologist, Geneticist, University teacher
Pierre JoliotPierre Joliot
12 March 1932, French
Biologist, Biochemist, Professor

Carol W. GreiderCarol W. Greider
15 April 1961, American
Biologist, Molecular biologist, Geneticist,
Paul R. EhrlichPaul R. Ehrlich
29 May 1932, American
Entomologist, Zoologist, University teacher

Shinya YamanakaShinya Yamanaka
04 September 1962, Japanese
Biologist, Physician, Professor

Keith L. MooreKeith L. Moore
05 October 1925, Canadian
Biologist
Massimo PigliucciMassimo Pigliucci
16 January 1964, American
Biologist, Philosopher, Geneticist, Writer,

Theodosius DobzhanskyTheodosius Dobzhansky
24 January 1900, Ukrainian, American
Geneticist
Ludwig von BertalanffyLudwig von Bertalanffy
19 September 1901, Austrian, Canadian
Biologist, University teacher

PZ MyersPZ Myers
09 March 1957, American
Biologist, Zoologist, Blogger, University teacher

Bill MollisonBill Mollison
04 May 1928, Australian
scientist, naturalist, psychologist

Andrew BaldwinAndrew Baldwin
05 February 1977, American
Biologist, Officer, Model

John Maynard SmithJohn Maynard Smith
06 February 1920, British
Mathematician
W. D. HamiltonW. D. Hamilton
01 August 1936, Egyptian, British
Biologist

Charles DavenportCharles Davenport
01 June 1866, American
Biologist

Tim FlanneryTim Flannery
28 January 1956, Australian
Biologist, Paleontologist, Zoologist,

Barry CommonerBarry Commoner
28 May 1917, American
Biologist
Leonard AdlemanLeonard Adleman
31 December 1945, American
Computer Scientist

Richard Evans SchultesRichard Evans Schultes
12 January 1915, American
Biologist
Jack W. SzostakJack W. Szostak
09 November 1952, Canadian, Polish, British, American
Biologist, Molecular biologist, Geneticist,

Jean-Henri FabreJean-Henri Fabre
21 December 1823, French
Entomologist

Nettie StevensNettie Stevens
07 July 1861, American
Geneticist
Karl Patterson SchmidtKarl Patterson Schmidt
19 June 1890, American
American zoologist

Mario CapecchiMario Capecchi
06 October 1937, Italian, American
Molecular Geneticist
Linda B. BuckLinda B. Buck
29 January 1947, American
American biologist

Hans HassHans Hass
23 January 1919, Austrian
Biologist

Michael RosbashMichael Rosbash
07 March 1944, American
Geneticist
Carl AkeleyCarl Akeley
19 May 1864, American
Taxidermist

Randy SchekmanRandy Schekman
30 December 1948, American
Biologist
Francisco J. AyalaFrancisco J. Ayala
12 March 1934, Spanish, American
Biologist, Geneticist, Philosopher, University

Stanley MillerStanley Miller
07 March 1930, American
Chemist, Biologist, University teacher

Yuan LongpingYuan Longping
07 September 1930
Biologist, Engineer, Inventor

Judah FolkmanJudah Folkman
24 February 1933, American
Scientist
Aaron CiechanoverAaron Ciechanover
01 October 1947, Israeli
Biochemist, Chemist, Physician, Educationist,
Walther FlemmingWalther Flemming
21 April 1843, German
Biologist

Naomi MitchisonNaomi Mitchison
01 November 1897, Scottish
Novelist

Ian WilmutIan Wilmut
07 July 1944, British
Biologist

John SulstonJohn Sulston
27 March 1942, British
Biologist
Michael W. YoungMichael W. Young
28 March 1949, American
Biologist

Andrew FireAndrew Fire
27 April 1959, American
Biologist

Susan Greenfield, Baroness GreenfieldSusan Greenfield, Baroness Greenfield
01 October 1950, British
Politician, Biologist

Jeffrey C. HallJeffrey C. Hall
03 May 1945, American
Geneticist

Rudolf JaenischRudolf Jaenisch
22 April 1942, German, Polish
Professor
Thomas C. SüdhofThomas C. Südhof
22 December 1955, German, American
Biochemist

G. Evelyn HutchinsonG. Evelyn Hutchinson
30 January 1903, British
Ecologist
Sergei WinogradskySergei Winogradsky
01 September 1856, French, Russian
Microbiologist

Eugene OdumEugene Odum
17 September 1913, American
Biologist
Janet RowleyJanet Rowley
05 April 1925, American
Geneticist
G. Ledyard StebbinsG. Ledyard Stebbins
06 January 1906, American
Botanist