Since 1926 instructor, Moscow Political Instruction Institute. Since 1929 Assistant, then lecturer, Chair of Agrobotany, AllUnion Agriculture Pedagogical Institute. 1930-1931 simultaneously directed correspondence training in botany at various Moscow institutes.
1931-1932 instructor, Academy, of Socialist Agriculture. 1933-1936 at All-Union Sverdlov Communist Agriculture Institute, then at Institute for Party Workers in Communist Agriculture School. Taught on courses for executive Party workers in agricultural, organized by Central Committee, Russian Communist Party (Bolsheviks).
Head, Botany Department, Timiryazev Biological Museum. After World War II lecturer, Moscow Timiryazev Agriculture Academy.
Religiously inspired people justify violence, resist social changes, and attack on science.
Marxism–Leninism as the only truth could not, by its very nature, become outdated.