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

Lynn MargulisLynn Margulis
05 March 1938, American
Ernest Everett JustErnest Everett Just
14 August 1883, American

David BaltimoreDavid Baltimore
07 March 1938, American

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

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

Sydney BrennerSydney Brenner
13 January 1927, South African

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

Jacques MonodJacques Monod
09 February 1910, French

Salvatore Edoardo LuriaSalvador Luria
13 August 1912, Italian
George E. PaladeGeorge E. Palade
19 November 1912, Romanian
Cell Biologist

François JacobFrançois Jacob
17 June 1920, French

Christiane Nüsslein-VolhardChristiane Nüsslein-Volhard
20 October 1942, German

Philip Allen SharpPhilip Allen Sharp
06 June 1944, American
Geneticist, Molecular Biologist
Christian de DuveChristian de Duve
02 October 1917, Belgian

Sidney AltmanSidney Altman
07 May 1939, Canadian, American
Molecular Biologist
George WaldGeorge Wald
18 November 1906, American

Donald A. GlaserDonald A. Glaser
21 September 1926, American
Physicist & Molecular Biologist

Hamilton Othanel SmithHamilton O. Smith
23 August 1931, American
Georges J. F. KohlerGeorges J. F. Kohler
17 April 1946, German
Immunologist, Biologist

Gustav NossalGustav Nossal
04 June 1931, Australian
Daniel NathansDaniel Nathans
30 October 1928, American

Roger GuilleminRoger Guillemin
11 January 1924, French

Eric Francis WieschausEric F. Wieschaus
08 June 1947, American
Development Biologist
Marguerite VogtMarguerite Vogt
13 February 1913, American
Biologist & Virologist

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André Michel LwoffAndré Lwoff
08 May 1902, French
Eugene SledgeEugene Sledge
04 November 1923, American
Biologist, Soldier, Academic, University teacher,

Kathleen RubinsKathleen Rubins
14 October 1978, American
Astronaut, Biologist

Jeremy WadeJeremy Wade
23 March 1956, British
Biologist, Television presenter, Writer

Kiran Mazumdar-ShawKiran Mazumdar-Shaw
23 March 1953, Indian
Business woman
Nell NewmanNell Newman
08 April 1959, American
Paul StametsPaul Stamets
17 July 1955, American

Pierre JoliotPierre Joliot
12 March 1932, French
Biologist, Biochemist, Professor

Bruce LiptonBruce Lipton
21 October 1944, American

Bruce Edwards IvinsBruce Edwards Ivins
22 April 1946, American
Biologist, Scientist, Circus performer, Politician
Luc MontagnierLuc Montagnier
18 August 1932, French
Physician, Biologist, Virologist, Researcher,

Siddhartha MukherjeeSiddhartha Mukherjee
21 July 1970, Indian, American

Julian HuxleyJulian Huxley
22 June 1887, British

Aubrey de GreyAubrey de Grey
20 April 1963, British

Paul R. EhrlichPaul R. Ehrlich
29 May 1932, American
Entomologist, Zoologist, University teacher
Nikolai VavilovNikolai Vavilov
13 November 1887, Russian
botanist, biologist, explorer, geneticist,

James LovelockJames Lovelock
26 July 1919, British
Biologist, Chemist, University teacher,
Shinya YamanakaShinya Yamanaka
04 September 1962, Japanese
Biologist, Physician, Professor

Yoshinori OhsumiYoshinori Ohsumi
09 February 1945, Japanese

Tim FlanneryTim Flannery
28 January 1956, Australian
Biologist, Paleontologist, Zoologist,
Michael LevittMichael Levitt
09 May 1947, American, South African
Physicist, Biologist, Bioinformatician, Chemist,

Massimo PigliucciMassimo Pigliucci
16 January 1964, American
Biologist, Philosopher, Geneticist, Writer,
Daniel LiebermanDaniel Lieberman
03 June 1964, American

Keith L. MooreKeith L. Moore
05 October 1925, Canadian

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

Ludwig von BertalanffyLudwig von Bertalanffy
19 September 1901, Austrian, Canadian
Biologist, University teacher

Charles DavenportCharles Davenport
01 June 1866, American
W. D. HamiltonW. D. Hamilton
01 August 1936, Egyptian, British

Theodosius DobzhanskyTheodosius Dobzhansky
24 January 1900, Ukrainian, American

John Maynard SmithJohn Maynard Smith
06 February 1920, British

PZ MyersPZ Myers
09 March 1957, American
Biologist, Zoologist, Blogger, University teacher
Richard Evans SchultesRichard Evans Schultes
12 January 1915, American

Leonard AdlemanLeonard Adleman
31 December 1945, American
Computer Scientist
Mario CapecchiMario Capecchi
06 October 1937, Italian, American
Molecular Geneticist

Jack W. SzostakJack W. Szostak
09 November 1952, Canadian, Polish, British, American
Biologist, Molecular biologist, Geneticist,

Bill MollisonBill Mollison
04 May 1928, Australian
scientist, naturalist, psychologist
Stanley MillerStanley Miller
07 March 1930, American
Chemist, Biologist, University teacher

Carol W. GreiderCarol W. Greider
15 April 1961, American
Biologist, Molecular biologist, Geneticist,
Nettie StevensNettie Stevens
07 July 1861, American

John GurdonJohn Gurdon
02 October 1933, British

Ana AslanAna Aslan
01 January 1897, Romanian
Naomi MitchisonNaomi Mitchison
01 November 1897, Scottish

Barry CommonerBarry Commoner
28 May 1917, American
Karl Patterson SchmidtKarl Patterson Schmidt
19 June 1890, American
American zoologist

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

Ian WilmutIan Wilmut
07 July 1944, British

Linda B. BuckLinda B. Buck
29 January 1947, American
American biologist
Walther FlemmingWalther Flemming
21 April 1843, German
Yuan LongpingYuan Longping
07 September 1930
Biologist, Engineer, Inventor

C.H. WaddingtonC.H. Waddington
08 November 1905, British
Developmental Biologist

Gregory PincusGregory Goodwin Pincus
09 April 1903, American

Sergei WinogradskySergei Winogradsky
01 September 1856, French, Russian
Howard Thomas OdumHoward Thomas Odum
01 September 1924, American

Judah FolkmanJudah Folkman
24 February 1933, American

Craig C. MelloCraig C. Mello
18 October 1960, American

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

Eugene OdumEugene Odum
17 September 1913, American
Carl AkeleyCarl Akeley
19 May 1864, American

Randy SchekmanRandy Schekman
30 December 1948, American
Andrew FireAndrew Fire
27 April 1959, American

D'Arcy Wentworth ThompsonD'Arcy Wentworth Thompson
02 May 1860, Scottish
Francisco J. AyalaFrancisco J. Ayala
12 March 1934, Spanish, American
Biologist, Geneticist, Philosopher, University
Aaron CiechanoverAaron Ciechanover
01 October 1947, Israeli