1931-1935 at Nitrogen Institute, Moscow. 1936-1938 at Institute of Organic Chemistry, USSR Academy of Science. 1939-1941 Director, Institute of Physical and Organic Chemistry, Belarusian Academy of Sciences.
1943-1950 at All-Union Institute of Aviation Materials. Gave generalized equation for chemical kinetics, a new form of equation for kinetics of consecutive reactions of the first order and proved that many reactions of solids act via the genesis and growth of nuclei of the solid product. Science Director, Plastics Laboratory, Minsk MetalPlastic Products Plant.