William Frederick Friedman

American cryptologist (1891–1969).

Born September 24th, 1891 in Chișinău. [ref]

Died November 12th, 1969 at 78 years old in Washington, D.C..

Occupations
computer scientist, cryptologist, mathematician
Wikipedia
William_F._Friedman

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