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

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

E. O. WilsonE. O. Wilson
10 June 1929, American
Biologist
Lynn MargulisLynn Margulis
05 March 1938, American
Author

Elizabeth BlackburnElizabeth Blackburn
26 November 1948, Australian, American
American-Australian researcher

Ernst MayrErnst Mayr
05 July 1904, American
Biologist

David BaltimoreDavid Baltimore
07 March 1938, American
Virologist
Nikolaas TinbergenNikolaas Tinbergen
15 April 1907, Dutch
Ornithologist

Peter Brian Medwar Peter Medawar
28 February 1915, British
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

Sidney AltmanSidney Altman
07 May 1939, Canadian, American
Molecular Biologist

Gustav NossalGustav Nossal
04 June 1931, Australian
Immunologist
Donald A. GlaserDonald A. Glaser
21 September 1926, American
Physicist & Molecular Biologist

Hamilton Othanel SmithHamilton O. Smith
23 August 1931, American
Microbiologist
Daniel NathansDaniel Nathans
30 October 1928, American
Microbiologist

Roger GuilleminRoger Guillemin
11 January 1924, French
Physiologist

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
Philip Allen SharpPhilip Allen Sharp
06 June 1944, American
Geneticist, Molecular Biologist

André Michel LwoffAndré Lwoff
08 May 1902, French
Microbiologist

Georges J. F. KohlerGeorges J. F. Kohler
17 April 1946, German
Immunologist, Biologist

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

J. B. S. HaldaneJ. B. S. Haldane
05 November 1892, Indian, British
Biologist, Geneticist, University teacher

Aubrey de GreyAubrey de Grey
20 April 1963, British
Biologist

Paul R. EhrlichPaul R. Ehrlich
29 May 1932, American
Entomologist, Zoologist, University teacher

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James LovelockJames Lovelock
26 July 1919, British
Biologist, Chemist, University teacher,
Bruce Edwards IvinsBruce Edwards Ivins
22 April 1946, American
Biologist, Scientist, Circus performer, Politician

Shinya YamanakaShinya Yamanaka
04 September 1962, Japanese
Biologist, Physician, Professor
Luc MontagnierLuc Montagnier
18 August 1932, French
Physician, Biologist, Virologist, Researcher,

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

Nikolai VavilovNikolai Vavilov
13 November 1887, Russian
botanist, biologist, explorer, geneticist,
Ludwig von BertalanffyLudwig von Bertalanffy
19 September 1901, Austrian, Canadian
Biologist, University teacher

Keith L. MooreKeith L. Moore
05 October 1925, Canadian
Biologist
Andrew BaldwinAndrew Baldwin
05 February 1977, American
Biologist, Officer, Model

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

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

Massimo PigliucciMassimo Pigliucci
16 January 1964, American
Biologist, Philosopher, Geneticist, Writer,

Bill MollisonBill Mollison
04 May 1928, Australian
scientist, naturalist, psychologist
Yuan LongpingYuan Longping
07 September 1930
Biologist, Engineer, Inventor

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

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

Jack W. SzostakJack W. Szostak
09 November 1952, Canadian, Polish, British, American
Biologist, Molecular biologist, Geneticist,
Mario CapecchiMario Capecchi
06 October 1937, Italian, American
Geneticist

Michael LevittMichael Levitt
09 May 1947, American, South African
Physicist, Biologist, Bioinformatician, Chemist,
Carol W. GreiderCarol W. Greider
15 April 1961, American
Biologist, Molecular biologist, Geneticist,

Francisco J. AyalaFrancisco J. Ayala
12 March 1934, Spanish, American
Biologist, Geneticist, Philosopher, University

Linda B. BuckLinda B. Buck
29 January 1947, American
American biologist
Aaron CiechanoverAaron Ciechanover
01 October 1947, Israeli
Biochemist, Chemist, Physician, Educationist,

Yoshiki SasaiYoshiki Sasai
05 March 1962, Japanese
Biologist, University teacher, Physician
Kathleen RubinsKathleen Rubins
14 October 1978, American
Astronaut, Biologist