Author: Ivan Antonovich Efremov
Alternate names: I. A. Efremov; I. Efremov; Ivan Efremov; Ivan Antonovich Yefremov; Иван Ефремов; Ива́н Анто́нович Ефре́мов; Ива́н Aнти́пович Ефре́мов
Born: 22 April 1908
Died: 5 October 1972
Bio: Soviet paleontologist, science fiction author and social thinker