An envelope with a handwritten inscription by the scientist Konstantin Tsiolkovsky

An envelope with a handwritten inscription

Konstantin Tsiolkovsky's handwritten address is addressed to Alexander Gershun and includes the text:
"To His Excellency A. L. Gershun
From Kaluga (Korovinskaya, 61), from K. E. Tsiolkovsky."

Konstantin Tsiolkovsky is a Russian and Soviet self—taught scientist who developed theoretical issues of cosmonautics, and an esoteric thinker who dealt with philosophical problems of space exploration.

After the 1930s, a peculiar myth about a brilliant universal scientist arose in the USSR around Tsiolkovsky, and this myth spread all over the world, including through philately and science fiction literature. A powerful incentive for studying Tsiolkovsky's achievements was the beginning of the space age, which coincided with his centenary, celebrated in 1957. There are monuments to Tsiolkovsky in Kaluga and Moscow, there is his house museum in Kaluga, there are museums in other cities. In 1954, the Medal named after him was established. Tsiolkovsky. In 1961, a crater on the far side of the Moon was named in honor of the scientist, and in 2015 — a city at the Vostochny cosmodrome under construction.

Russian Russian physicist, engineer, professor, prominent scientist in the field of applied optics, electromagnetism and radioactivity, founder of the Russian optical industry Alexander Gershun. The organizer of the optical industry in Russia, the creator of a number of optical devices for the fleet, in particular new designs of rangefinders and sights.

From an early age, Tsiolkovsky was very fond of making with his own hands, the boy used any improvised means for his crafts. He invented various mechanical designs and models, made dolls, houses, watches. At the age of 14, the future great scientist was already making spring-driven models of trains and strollers. And at the age of 16, he was able to assemble a lathe himself.