Imperial Russian and Soviet rocket scientist and pioneer of the astronautic theory.
Konstantin Eduardovich Tsiolkovsky
349604Q41239Konstantin Eduardovich TsiolkovskyKonstantin EduardovichTsiolkovskyTsiolkovsky,_Konstantin EduardovichTsiolkovsky.jpg18571935Imperial Russian and Soviet rocket scientist and pioneer of the astronautic theory.
Some or all works by this author are in the public domain in the United States because they were published before January 1, 1923.
The author died in 1935, so works by this author are also in the public domain in countries and areas where the copyright term is the author's life plus 80 years or less. Works by this author may also be in the public domain in countries and areas with longer native copyright terms that apply the rule of the shorter term to foreign works.
