Samuil and Isaak Rabinovich 1912 Masha and Isaak Rabinovich 1928 Isaak and Moisei Rabinovich 1928 Moisei Rabinovich ~1930 Isaak Rabinovich's student identity card 1940 Samuil-Alexander Rabinovich 1941 Ber Alperovich and family 1945 Michael Botvinnik 1959 Isaak Rabinovich, Michael and Olga Botvinnik 1959 Vladimir, Dora and Isaak Rabinovich, and Ida Solomonovna 1960 Samuil Rabinovich's badges and ring 2002