1926 graduated Leningrad Polytechn. Institute.
1926-1927 studied phenomena of energy transmission by excited atoms and molecules with a free electron. 1932 worked on artificial splitting of lithium and boron nuclei by protons. In 1940’s studied interactions of slow neutrons and photoneutrons with atomic nuclei.
In 1950’s investigated physics of fast-neutron nuclear reactors. 1924-1930 at Leningrad Physicotechn. Institute; 1930-1941 at Physicotechn.
Institute, Ukrainia Academy of Sciences. 1941-1946 Director, Physics Institute, Ukrainia Academy of Sciences.
There is no conclusive logical argument for the existence of God. His existence is continuously debated.