Gersh Kogan
~1870
Leib Kogan with his father Gersh Kogan
~1880
Leib Kogan with relatives
1912
Edis Kogan
1914
Mirrah Kogan and her brother Haim Kogan with his teacher Anna Yakovlevna Naskhovich and his group mates
~1920
Leib Kogan
1925
Mirrah Kogan at a masquerade at the Medical Institute
1939
Mirrah Kogan with her parents and her friend Zhenia Lerner
1943
Haim Kogan
1945
Mirrah Kogan with her husband David Teplitskiy and her daughter Reeda Teplitskaya
1952