Ivan Antonovich Yefremov, sometimes Efremov was a Soviet paleontologist, science-fiction author and social thinker. He founded taphonomy, the study of fossilization patterns. Wikipedia
Born: April 23, 1908, Gatchinsky District, Russia
Died: October 5, 1972 (age 64 years), Moscow, Russia
Spouse: Taisiya Yukhnevskaya (m. 1962–1972) and Elena Konzhukova (m. 1936–1961)
Education: Saint Petersburg Mining University (1932–1935) and Saint Petersburg State University
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