Konstantin Tsiolkovsky Quote: No.2
Konstantin Tsiolkovsky Quote: No.2
- 2
The Earth is the cradle of humanity, but mankind cannot stay in the cradle forever. Konstantin Tsiolkovsky
- Name:
- Konstantin Tsiolkovsky
- Type:
- Scientist
- Nationality:
- Russian
- Birth day:
- September 5
- Birth year:
- 1857