George Gamow

Russian-american theoretical physicist and cosmologist (1904–1968).

Born March 4th, 1904 in Odesa. [ref]

Died August 19th, 1968 at 64 years old in Boulder.

Occupations
astronomer, astrophysicist, biochemist, cosmologist, inventor, nuclear physicist, physicist, university teacher, writer
Wikipedia

To the well-organized mind, death is but the next great adventure. J.K. Rowling