Evgraf Fedorov
Evgraf Stepanovich Fedorov (Russian:
Евгра́ф
Степа́нович
Фёдоров
, 22 December [O.S. 10 December] 1853 – 21 May 1919) was a Russian mathematician, crystallographer...
14 KB (1,411 words) - 16:31, 31 October 2023