Gregor MendelGregor Mendel

22 July 1822

Austrian

Thomas Hunt MorganThomas Hunt Morgan

25 September 1866

American

Hermann Joseph MullerHermann Joseph Muller

21 December 1890

American

J.B.S. HaldaneJ.B.S. Haldane

05 November 1892

British

Ronald FisherRonald Fisher

17 February 1890

British

Luther BurbankLuther Burbank

07 March 1849

American

J. B. S. HaldaneJ. B. S. Haldane

05 November 1892

Indian,British

Oswald AveryOswald Avery

21 October 1877

Canadian

Hugo de VriesHugo de Vries

16 February 1848

Dutch

Cyril BurtCyril Burt

03 March 1883

British

August WeismannAugust Weismann

17 January 1834

Eugen FischerEugen Fischer

05 July 1874

German