Specialist in mining mechanics. 1951-1957 helped develop new systems of main and auxiliary centrifugal mine fans. 1911-1918 engineer, 1918-1920 Chief Engineering, 1920-1922 Management, Suchan Coal Mines.
1926-1930 instructor, Far Eastern University. 1930-1931 at Far Eastern Polytechn. Institute; 1931-1934 at Far Eastern Mining Institute, Vladivostok.
1935-1944 instructor, 1944-1951 Professor, Donets Industry Institute.