Russian physicist (1857-1935) who pioneered the study of rocketry and cosmonautics and whose discoveries were of crucial importance in the development of manned space travel. Booklet entitled 'The Success of Aeronautics in the 19th Century,' in Russian, 18 pages. Signed and inscribed at the top of the first page in Russian by Tsiolkovsky, with a three-line inscription dated 1901. In very good condition, with a repaired tear to the bottom of the first page, and some scattered light foxing. Accompanied by a full letter of authenticity from PSA/DNA.Format: Pamphlet