Prominent Soviet scientist Konstantin Tsiolkovsky (1857-1935), the father of the theory of inter-planetary travel and a rocket science pioneer, with dirigible models.
- Categories: Human Interest, Science & Technology
- Location: Kaluga, Russia
- Event date: 29.09.1927
- Date published: 29.11.2019
- Author: RIA Novosti
- Credit: Sputnik
- Original: A68-13559, 6x9 film
- Media: JPEG, 3543x4983px, 7.8Mb