EntityQ713359· pop 11· linked from 24 articlesGilbert VernamSign in to saveAmerican cryptographer (1890–1960)ConnectionsClaude ShannonEntityexclusive orEntityWorld War IIConceptdigital object identifierEntitybitEntitytelegraphyEntityNational Security AgencyEntityBoolean algebraEntityrelayEntitymodular arithmeticEntityrandomnessEntityBell LabsEntitytruth tableEntityWestern UnionCompanycryptanalysisEntityteleprinterEntitycipherEntitykeyEntityQ22908627Entitypunched tapeEntityCategories1890 births1960 deaths20th-century cryptographersScientists at Bell LabsStream ciphersWorcester Polytechnic Institute alumni