EntityQ940427· pop 9· linked from 75 articlesJohn T. GravesSign in to saveIrish mathematician (1806–1870)ConnectionsUniversity College LondonEntityDictionary of National BiographyEntityPhilosophical MagazineEntityIsaac NewtonPersonCharles DarwinEntityInternational Standard Book NumberEntityWikisourceEntityJustinian IEntitypublic domainEntitydigital object identifierEntityInternational Standard Serial NumberEntityRoyal SocietyEntityJohn Frederick William HerschelEntityUniversity of LondonEntityStandard ModelEntityWilliam Rowan HamiltonEntityRoman lawEntityPhilosophiæ Naturalis Principia MathematicaEntityquaternionEntityjuristEntityCategories1806 births1870 deaths19th-century Irish mathematiciansCommittee members of the Society for the Diffusion of Useful KnowledgeGraves familyIrish fellows of the Royal SocietyOctonionsUse Hiberno-English from October 2013