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.
Anatoly Logunov Anatoly Alekseyevich Logunov (Russian: Анатолий Алексеевич Логунов , December 30, 1926 – March 1, 2015) was a Soviet and Russian theoretical physicist, academician of the USSR Academy of Sciences and Russian Academy of Sciences. He was awarded the Bogolyubov Prize in 1996.