Yuri Alexandrovich Krutkov (29.05.1890—12.09.1952) was a Soviet theoretical physicist and a corresponding member of the USSR Academy of Sciences (1933).
Georgy Vyacheslavovich Kurdyumov (born 14.02.1902) is a Soviet metal physicist, an academician (1953, a corresponding member from 1946) and an academician of the Academy of Sciences of the Ukrainian SSR (1939).
Year Event Scientist or inventor 5th-4th centuries BC The idea was put forward that matter has a granular structure and that the atom is the simplest and indivisible particle Democritus 3rd century BC A theory of the lev…