EntityQ1333178· pop 18· linked from 816 articlesNeil SloaneSign in to saveBritish mathematicianConnectionsBell LabsEntityElsevierEntityBeaumarisEntityJacob ZivEntityJessie MacWilliamsEntityLearned Society of WalesEntityUnited StatesCountryAustraliaCountryBerlinEntityEnglandEntityWalesEntityNew JerseyEntityMelbourneCityInternational Standard Book NumberEntitymathematicianEntityWayback MachineEntitydigital object identifierEntityQ9679EntityCornell UniversityEntityDennis M. RitchieEntityCategories1939 births20th-century American mathematicians21st-century American mathematiciansCombinatorialistsCornell University alumniFellows of the American Mathematical SocietyFellows of the IEEEFellows of the Learned Society of WalesLiving peopleMembers of the United States National Academy of EngineeringOn-Line Encyclopedia of Integer Sequences