an Entity references as follows:
Lev Nikolayevich Gumilyov (Russian: Лев Никола́евич Гумилёв; 1 October 1912 – 15 June 1992) was a Soviet historian, ethnologist, anthropologist and translator. He had a reputation for his highly unorthodox theories of ethnogenesis and historiosophy. He was an exponent of Eurasianism.