Leonid Dobychin died in 1936.
Leonid Dobychin was born in 1894.
Leonid Gissen died in 2005.
Leonid Haydamaka died in 1991.
Leonid Sherwood died in 1954.
Leonid Tsypkin died in 1982.
Leonid Filatov died in 2003.
Leonid Malashkin died in 1902.
Leonid Shebarshin died in 2012.
Leonid Pitamic died in 1971.
Leonid Sagalov died in 1940.
Leonid Sabaneyev died in 1968.
Leonid Sandalov died in 1987.