Konstantin Fyodorovich Chelpan (Russian: Константин Фёдорович Челпан; 27 May 1899 – 10 March 1938) was a prominent Soviet engineer of Greek background... 10 KB (663 words) - 00:11, 29 February 2024 |
Konstantin Fyodorovich Chelpan (Russian: Константин Фёдорович Челпан; 27 May 1899 – 10 March 1938) was a prominent Soviet engineer of Greek background... 10 KB (663 words) - 00:11, 29 February 2024 |