John Pell (mathematician)

John Pell
John Pell (1611–1685).
Born	(1611-03-01)1 March 1611 Southwick, Sussex, England
Died	12 December 1685(1685-12-12) (aged 74) Westminster, Middlesex, England
Nationality	English
Alma mater	Trinity College, Cambridge
Known for	Pell's equation Pell number
Scientific career
Fields	Mathematician and linguist
Institutions	University of Amsterdam
Doctoral students	William Brereton

John Pell (1 March 1611 – 12 December 1685) was an English mathematician and political agent abroad. He was made Royal Chair of Mathematics at Orange College by the Prince of Orange, and was under the patronage of Sir Charles Cavendish. He was also a compeer and correspondent of René Descartes and Thomas Hobbes.