an Entity references as follows:
Leonid Anatolievich Levin (/leɪ.oʊˈniːd ˈlɛvɪn/ lay-oh-NEED LEV-in; Russian: Леони́д Анато́льевич Ле́вин; Ukrainian: Леоні́д Анато́лійович Ле́він; born November 2, 1948) is a Soviet-American mathematician and computer scientist. Levin was awarded the Knuth Prize in 2012 for his discovery of NP-completeness and the development of average-case complexity.He is a member of the US National Academy of Sciences anda fellow of the American Academy of Arts and Sciences.