DN Nasonov born June 28 (July 10), 1895 in Warsaw. Son NV Nasonova and Ekaterina ur. Kornilovoj. Brother NN-Nasonova Sezeman-Klepinino, VN and AN Nasonova Nasonova. In 1914 he was a volunteer as a medic on the German front. In 1919 he graduated with a gold medalyuPetrogradsky University. In 1928 was sent through the Rockefeller fellowships for training in the U.S., where his young wife went Sofy Nikolaevnoj ur. Mikhailova. Since 1935, Professor LSU. In 1932 he headed the laboratory of cytology in VIEM, and in 1935 - Laboratory of Cell Physiology priFiziologicheskom Institute. In 1943-1944 he was a professor Nasonov kafedrygistologii MSU and headed the laboratory of General Physiology Institute of Cytology, Histology and Embryology, Academy of Sciences of the USSR. In 1941 he volunteered for the front and was nach.medsanbata in Pulkovo Heights, where he was wounded and discharged. He then worked at MSU.