About Georgy Flyorov
Georgy Nikolayevich Flerov, also spelled Flyorov (Russian: Георгий Николаевич Флёров, IPA: [ɡʲɪˈorɡʲɪj nʲɪkɐˈlajɪvʲɪtɕ ˈflʲɵrəf]; 2 March 1913 – 19 November 1990), was a Soviet physicist who is known for his discovery of spontaneous fission and his important contribution towards crystallography and material science, for which, he was honored with many awards. In addition, he is also known for his letter directed to Joseph Stalin, during the midst of World War II, to start a program of nuclear weapons in the Soviet Union. In 2012, element 114 was named flerovium after the research laboratory at the Joint Institute for Nuclear Research bearing his name. He founded the Flyorov Laboratory of Nuclear Reactions (FLNR), one of the main laboratories of the Joint Institute for Nuclear Research in Dubna in 1957, and was director there until 1989. Initially he worked with Mikhail Rusinov in fission applications in 1939 but discovered spontaneous fission in 1940 with Konstantin Petrzhak in 1940.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.