Dr. Yury Philipchenko (1882–1930), Professor, the first Head of Department of Genetics and Biotechnology (former Genetics and Experimental Zoology) of St. Petersburg State University and his colleagues (from left to right: seated — Th. G. Dobzhansky, Yu. A. Filipchenko, Ya. Ya. Lus; standing — V. I. Saveliev, N. N. Medvedev).
Photo (1926) from the archive of Department of Genetics and Biotechnology of St. Petersburg State University.