 In February 1917, he started to work in his attic studio on Arbat Street in Moscow and worked there until 1934.In 1918-1919, he taught at the "2nd State Art Studios" (2-ые ГСХМ).In 1919-1920 he worked at the "Anatomic theatre" of Moscow State University, as he thought that, as a painter, he needed deeper knowledge of the human anatomy.