(1822) Moravian-Silesian scientist Gregor Mendel is born. He is remembered as the founder of the modern science of genetics, for establishing many of the rules of heredity.
(1897) Polish born chemist Tadeusz Reichstein is born. He synthesized vitamin C in 1933.
Today In Medical History – July 20
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 Moravian-Silesian scientist Gregor Mendel is born. He is remembered as the founder of the modern science of genetics, for establishing many of the rules of heredity.){kind=link}