06.11.1976 (48 years)
Dmitry Ivanovich Litvinov (Russian: Дмитрий Иванович Литвинов; 10 January 1855 [O.S. 29 December 1854] – 5 July 1929) was a Russian botanist responsible for the naming of a large variety of East European and Asian plants. Alternative spelling of the names: Dimitri Ivanovitch Litvinov (in French); Dmitrij Iwanowitsch Litwinow (in German).