Kliment Timiryazev

Kliment Arkadievich Timiryazev (Russian: Климент Аркадьевич Тимирязев; 22 May [O.S. 3 June] 1843 – 28 April 1920) was a Russian botanist and physiologist and a major proponent of the Evolution Theory of Charles Darwin in Russia. He founded a faculty of vegetable physiology and a laboratory at the Petrovskoye Academy.