John T. Graves, Date of Birth, Place of Birth, Date of Death

John T. Graves

Irish mathematician

Date of Birth: 04-Dec-1806

Place of Birth: Dublin, Leinster, Ireland

Date of Death: 29-Mar-1870

Profession: mathematician, university teacher

Nationality: Ireland

Zodiac Sign: Sagittarius

For the American Civil War soldier, see John Thomas Graves.John Thomas Graves (4 December 1806 – 29 March 1870) was an Irish jurist and mathematician.
He was a friend of William Rowan Hamilton, and is credited both with inspiring Hamilton to discover the quaternions in October 1843 and then discovering their generalization the octonions himself (he called them octaves) later that same year.
He was the brother of both the mathematician and bishop Charles Graves and the writer and clergyman Robert Perceval Graves.