Iosif Samuilovič Šklovskij

Iosif Samuilovich Shklovsky (Russian: Ио́сиф Самуи́лович Шкло́вский; sometimes transliterated Josif, Josif, Shklovskii, Shklovskij) (1 July 1916 – 3 March 1985) was a Soviet astronomer and astrophysicist.