Yuri Andropov
His earliest documented name was Grigory Vladimirovich Andropov-Fyodorov; he changed it to Yuri Andropov only several years later. While his original birth certificate disappeared, it was established that Andropov was in fact born in Moscow where his mother had been working in a women's gymnasium since 1913 throughout 1914 and until 1917.
Yuri Alexandrovich Orlov
Yuri Alexandrovich Orlov (Yurij, Juriy, Jurii) (; June 12, 1893 — October 2, 1966) — Russian and Soviet zoologist, paleontologist. Academician of the USSR Academy of Sciences (from 1960, corresponding member since 1953).