Were Pavel Urysohn and Leonid Levin known for the same type of work?
Leonid Levin Leonid Anatolievich Levin ( ; Russian: Леони́д Анато́льевич Ле́вин ; Ukrainian: Леоні́д Анато́лійович Ле́він ; born November 2, 1948) is a Soviet-American computer scientist.
Leonid Azgaldyan Leonid Azgaldyan (Armenian: Լեոնիդ Ազգալդյան ; 22 November 1942 – 21 June 1992) was an Armenian physicist who rose to prominence as a military leader during the Nagorno Karabakh War. He is best known as one of the founders and commander of a large special operations force known as the "Liberation Army" (Armenian: Ազատագրական Բանակ).