Imya Ivana Efremova assotsiiruetsya u chitatelej v pervuyu ochered' s "Tumannost'yu Andromedy," "Lezviem britvy," "Tais Afinskoj" i drugimi romanami, odnako zadolgo do ih sozdaniya pisatel' proslavilsya kak avtor velikolepnyh nauchno-fantasticheskih rasskazov.
Ivan Antonovich (real patronymic Antipovich) Yefremov (Russian: Иван Ефремов; April 22, 1908–October 5, 1972), last sometimes spelled Efremov, was a Soviet paleontologist, science fiction author and social thinker. He originated taphonomy, the study of fossilization patterns.