Prominent Soviet scientist Konstantin Tsiolkovsky (1857-1935), the father of the theory of inter-planetary travel and a rocket science pioneer.06.09.1933#6089695
The city of Kaluga in the 1930s. The house where Russian scientist Konstantin Tsiolkovsky (1857-1935), the father of the theory of inter-planetary travel and a rocket science pioneer, lived and worked. The house currently hosts the Tsiolkovsky Memorial House Museum.29.11.1930#6089700
Prominent Soviet scientist Konstantin Tsiolkovsky (1857-1935), the father of the theory of inter-planetary travel and a rocket science pioneer, with dirigible models.29.09.1927#6089698
Prominent Soviet scientist Konstantin Tsiolkovsky (1857-1935), the father of the theory of inter-planetary travel and a rocket science pioneer, with writer Konstantin Altaisky-Korolev, right, in his studio.01.04.1927#6089696
The city of Kaluga in the late 19th-early 20th century. Prominent Russian scientist Konstantin Tsiolkovsky (1857-1935), father of the theory of inter-planetary travel and a rocket science pioneer, lived and worked there in the 1920s.29.09.1920#6089699
