Tartu - 1921. Russian gymnasium 11/6/1921

Left to right (There could be mistakes in the names and their order).
Sitting (teachers): Sildnik, G. J. Michelson, P.P Popov, I.M. Toff, A.A. Bilov, D.M. Shumikov, M.P. Edelgaus, E.E Berent, Ella M. Vilenski
Bottom: M. Kljas, V. Glasov, S. Bleive, M. Slatkin, S. Jakobson, D. Sorkin, M. Judeikin
II row from top: P. Kruskal, N. Kimgevelt, R. Vidik, S. Krastin, I. Restas, L. Mjatschikov, G. Zimbler, M. Kremer, ?, ?, M.V. Jakovlev, A.J. Michelson
Top row: Gansen, J. Flaks, N. Jaropolski, V. Ljapunov, I. Daiber, A. Bass, G. Tschakkar, A. Slatkin, N. Tomger, J. Seisler, E. Kent?