🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPortuguêsSvenskaРусскийالعربيةEntityQ330622· pop 6· linked from 30 articlesAbraham SinkovSignals Intelligence Service cryptographer (1907–1998)ConnectionsNational Security AgencyEntitysignals intelligenceEntityCategories1907 births1998 deaths20th-century American mathematiciansAmerican people of Ukrainian-Jewish descentArizona State University facultyBoys High School (Brooklyn) alumniCity College of New York alumniColumbian College of Arts and Sciences alumniMathematicians from New York (state)Military personnel from PhiladelphiaNational Security Agency cryptographers