1911 graduated Novorossiysk University, Odessa.
1925-1927 carried out three expeditions to Asia Minor to study local flora. Organized a large herbarium of cultivated plants of the Old and New World. 1954 attended International Congress and 200th anniversary celebrations of Agriculture Academy, in Florence and read a paper on the state of agricultural training in the USSR.
1954 elected Honorary President, 8th International Botanical Congress in France and read a paper on the plant resources of the USSR;s. 1955 corresponding member, German Democratic Republic Academy, of Agriculture Science. 1955 visited Argentina to select seeds of cultivated plants.
Discovered two new varieties of wheat.
Religious books are outdated, because laws by nature have to change with the advance of societies and technology.