Konstantin Tsiolkovsky, the forefather of astronautics, in his workshop in 1919.
- Categories: Science & Technology, Human Interest
- Location: Kaluga, Russia
- Event date: 08.10.1910
- Date published: 25.06.2008
- Author: RIA Novosti
- Source: Sputnik
- Credit: Sputnik
- Original: Р66-529, 6x8 film
- Media: JPEG, 2743x3543px, 2.1Mb