"Yakov Isidorovich Perelman (Russian: Яков Исидорович Перельман; 4 December [O.S. 22 November] 1882 – 16 March 1942) was a Russian Empire and Soviet science writer and author of many popular science books, including Physics Can Be Fun and Mathematics Can Be Fun (both translated from Russian into English)." - (en.wikipedia.org 23.11.2023)
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