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.
Yury Yershov
Yuri L. Ershov or Yershov (Юрий Леонидович Ершов, born 1 May 1940 ) is a Soviet and Russian mathematician. 
Yuri Ershov was born in 1940 in Novosibirsk. In 1958 he entered the Tomsk State University and in 1963 graduated from the Mathematical Department of the Novosibirsk State University. In 1964 he has successfully defended his PhD thesis "Decidable and Undecidable Theories" (advisor Anatolij Mal'tsev). In 1966 he has successfully defended his DrSc thesis "Elementary Theory of Fields" (Элементарные теория полей).