Leonid Kosmatov
传
- 众所周知: Camera
- 生日: 1901-01-13
- 出生地: Verkhniy Lomov, Nizhniy Lomov uyezd, Penza Governorate, Russian Empire [now Nizhnelomovsky District, Penza Oblast, Russia]
- 也被称为: Леонид Косматов, L. Kosmatov