Gilbert Sandford Vernam (born April 4, 1890 in Brooklyn , New York , † February 7, 1960 ) was an American engineer employed by AT&T ( Bell Labs ) . In 1917 he invented the Vernam cipher , a stream cipher , and was then involved with Joseph O. Mauborgne in the reinvention of the one-time pad encryption method, originally invented in 1882 by the American cryptologist Frank Miller (1842-1925) but was forgotten again.
- John William Leonard (Ed.): Who's Who in Engineering. A Biographical Dictionary of Contemporaries 1922-1923. Leonard, Brooklyn Borough [et al.] 
|ALTERNATIVE NAMES||Vernam, Gilbert Sandford|
|BRIEF DESCRIPTION||American technician|
|DATE OF BIRTH||April 4, 1890|
|PLACE OF BIRTH||Brooklyn , New York|
|DATE OF DEATH||February 7, 1960|