Boris Kozo-Polyansky

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Boris Mikhailovich Kozo-Polyansky (Russian: Борис Михайлович Козо-Полянский; 20 January 1890 – 21 April 1957) was a Soviet and Russian botanist and evolutionary biologist, best known for his seminal work, Symbiogenesis: A New Principle of Evolution, which was the first work to place the theory of symbiogenesis into a Darwinian evolutionary context, as well as one of the first to redefine cell theory. Boris Kozo-Polyansky was born in Ashgabat, which at the time was part of the Russian Empire. He relocated to Voronezh in his early youth. He graduated from Moscow University in 1914 at the age of 24, before returning to Voronezh where he worked as an assistant at Voronezh Agricultural University until 1918. In 1920 he then became a professor at Voronezh State University, where he taught for the remainder of his life and served as a Dean, Chair of Botany and Vice President of the University. He is buried in Voronezh at the Communist International (Comintern) Comintern Cemetery. Boris Kozo-Polyansky became a professor of botany at the University of Voronezh in 1920. His research and contribution to the field mostly focused on the phylogenetic taxonomy and morphology of higher plants. His research expounded upon and supported the euanthial origin of flowers (flowers coming from a shoot with modified leaves) and from this theory, he constructed an original phylogenetic system for angiosperms, and later for all terrestrial plant life. Additionally, He devised a new classification of umbellifers based on the anatomy of their fruit.