21.03.1907 - 15.04.2002 (95 gadi)
Elena Sergeevna Ventsel (maiden name Dolgintsova, 21 March 1907, Reval - 15 April 2002, Moscow), known by the pen name Irina Grekova (often shortened to I. Grekova), was a Russian writer. She was also a PhD in mathematics, and wrote a book on probability theory.