Arthur Prior

Arthur Prior
Prior in 1959
Born	Arthur Norman Prior (1914-12-04)4 December 1914 Masterton, New Zealand
Died	6 October 1969(1969-10-06) (aged 54) Trondheim, Norway
Spouses	Clare Hunter Mary Wilkinson
Relatives	Ian Prior (half-brother)
Education
Education	University of Otago (B.A., 1935; M.A., 1937)
Academic advisor	J. N. Findlay
Philosophical work
School	Analytic philosophy
Institutions	Canterbury University College
Doctoral students	Max Cresswell Kit Fine
Notable students	Genevieve Lloyd Jonathan Bennett Richard Routley
Main interests	Philosophical logic modal logic
Notable ideas	Tense logic hybrid logic intensional logic erotetic logic Prior's tonk Prior's intensional paradox Prior's paradox of derived obligation

Arthur Norman Prior (4 December 1914 – 6 October 1969), usually cited as A. N. Prior, was a New Zealand–born logician and philosopher. Prior (1957) founded tense logic, now also known as temporal logic, and made important contributions to intensional logic, particularly in Prior (1971).