In 1918 N. Kochergin graduated from the Stroganov's Cental Art Industrial College. During the Civil War he managed a poster-producing workshop in Kharkov, later he was one of the organizers of the ROSTA Satirical Display Windows' local branches, first in Baku, later in the whole of Caucasian region. N. Kochergin was among the first artists, who were at the origins of the Soviet political poster. From 1922 he lived in Leningrad. In 1923 he entered the membership of the Association of the Revolutionary Russia Artists (AKhRR). As an art director N. Kochergin worked for the Leningrad Puppet-show Theatre and  for other theatres as well. During the 2^nd World War as a poster artist he collaborated with the creative union "The Militant Crayon", he also drafted post-cards. For more than 25 years N. Kochergin devoted himself to book illustrating for children. The title of an Hohoured Artist of the RSFSR was confered on him. His works are in the Russia's State Library (Moscow) and the State Central Public Library named after N.E. Saltykov-Shchedrin.