Sculptor; teacher. Studied at the Bogolyubov Drawing School in Saratov (1896–1899); Moscow School of Painting, Sculpture and Architecture (1899–1902, dropped out without graduating). To enchance his professional skills, travelled to France (1906–1907) and Italy (1913). Contributed to exhibitions (from 1903). Honoured Artist of the RSFSR (1931). Director of the the All-Russian Academy of Arts (1932–1934). Doctor of Art Studies.