EntityQ7176171· pop 5· linked from 241 articlesPeter O'HearnSign in to savecomputer scientistConnectionsQueen Mary University of LondonEntityMicrosoft ResearchEntityFacebookConceptNew YorkEntitycomputer scienceEntityElon MuskPersonOntarioEntityInternational Standard Book NumberEntityprogramming languageEntityHalifaxEntityAmazonEntityWayback MachineEntitydigital object identifierEntityprofessorEntitySpotifyEntityRoyal SocietyEntityMetaPublic companyKingstonEntityUberCompanyInstitute of Electrical and Electronics EngineersEntityCategories1963 birthsAcademics from Halifax, Nova ScotiaAcademics of Queen Mary University of LondonAcademics of University College LondonBritish computer scientistsCanadian computer scientistsCanadian emigrants to EnglandCanadian fellows of the Royal SocietyCommons link is the pagenameDalhousie University alumniFacebook employeesFellows of the Association for Computing Machinery