EntityQ1887059· pop 5· linked from 20 articlesMalcolm J. WilliamsonSign in to saveBritish mathematician and cryptographer (1950–2015)ConnectionsGovernment Communications HeadquartersEntityMoscowCitySan DiegoEntitycryptographyEntitydigital object identifierEntityInstitute of Electrical and Electronics EngineersEntityInternational Mathematical OlympiadEntityQ118398EntityStockportEntitypublic-key cryptographyEntityUniversity of LiverpoolEntityTrinity CollegeEntityQ22908627EntityDiffie–Hellman key exchangeEntityMartin Edward HellmanEntitySimon SinghEntityThe Code BookEntityJames H. EllisEntityThe Manchester Grammar SchoolEntityInstitute for Defense AnalysesEntityCategories1950 births2015 deaths20th-century British mathematicians21st-century British mathematiciansAlumni of Trinity College, CambridgeGCHQ cryptographersGCHQ peopleInternational Mathematical Olympiad participantsPeople educated at Manchester Grammar SchoolPublic-key cryptographers