November 15, 1871 (a Wednesday)

Erich Tschermak von Seysenegg

On this date, the Austrian agronomist Erich Tschermak von Seysenegg was born.  He was one of the scientists, the others being Hugo De Vries and Carl Correns, who independently rediscovered the work that Gregor Mendel did in the 1860s on the laws of heredity.  Von Seysenegg published his findings in June 1900.  The priority of Mendel was acknowledged without restriction by all three researchers.  Mendel’s discovery that inheritance is particulate, and confirmation of his discovery by Von Seysenegg, De Vries, and Correns, constitutes one of the main pillars of the theory of evolution.

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