Armin von Tschermak-Seysenegg

Armin Eduard Gustav Tschermak, Edler von Seysenegg (21 September 1870 – 9 October 1952) was an Austrian physiologist. He was an elder son of the Moravia-born mineralogist Gustav Tschermak von Seysenegg. He was instrumental in helping his botanist-brother Erich von Tschermak-Seysenegg in the rediscovery of Mendel's laws of genetics. He was Professor of Physiology at the University of Veterinary Medicine Vienna and the Institute of Physiology in Prague. He was elected member to the Pontifical Academy of Sciences on 28 October 1936.