Painter, graphic artist, theatrical designer. Studied at the School of Jurisprudence in St Petersburg (until 1895). Did not receive a profes¬sional artistic education. Independently studied classical art in Italy (1895–1903). Contributed to exhibitions (from 1906). Designed for theatres in Leningrad (from 1908). Illustrated books (from 1913). Cofounder of the Yulia Slonimskaya-Sazonova Puppet Theatre in Pet¬rograd (1915). Lived in Constantinople, Tallinn, Helsinki, Brussels and Paris (from 1918).