Ten members of staff studying and performing experiments on dogs in the Physiology Department, Imperial Institute of Experimental Medicine, St Petersburg. Photograph, 1904.

Left to right: V.N. Boldirev (in white coat), I.S. Tsitovitch, B.P. Babkin (in profile), G.B. Barlatskiy (in white coat, holding book), I.S. Kadfgrobov, V.V. Savitch (writing), N.I. Heiman (in white coat), G.A. Smirnov, unidentified, E.A. Ghanike