AP231 Warsaw School of Logic.jpg
The most prominent members of the Warsaw School of Logic in 1934. From left: Jan Lukasiewicz, Stanislaw Lesniewski and Alfred Tarski.

AP230b Lukasiewicz in 1935 Lauerat.jpg
A photograph of Jan Łukasiewicz (1878 – 1956), the famous founder of the Polish school of logic, who had enormous influence on Arthur Prior's own development as a logician. Łukasiewicz was a professor of philosophy at the University of Warsaw…

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A photograph of Karl Popper in 1939, submitted as part of his application for employment at Canterbury University College.

AP202 Arthur Prior in uniform in front of a plane, 1945.jpg
A photograph of Arthur Prior during his military service in RNZAF, standing next to a plane

AP203 Arthur Prior in uniform having tea with Mary in 1944.jpg
Arthur Prior in military uniform, visiting Mary at the home of Jonathan Bennett's parents Oz and Pearl, in Christchurch on Cranmer Square

AP204 Arthur Prior in uniform with Mary in 1944.jpg
Arthur Prior in military uniform, visiting Mary at the home of Jonathan Bennett's parents Oz and Pearl, in Christchurch on Cranmer Square

AP252 Mary Prior and baby Martin on top of Arthur.jpg
Mary and Arthur Prior, holding his newly born son Martin in 1944. Arthur is dressed in military uniform, as he was then serving in (RNZAF) Royal New Zealand Air Force, stationed in Wigram, Christchurch.

AP229 Bochenski.jpg
Father Innocenty (Józef) M. Bocheński (1902 – 1995), Polish catholic philosopher and logician, whose books on logic had profound influence on Arthur Prior. After the WWII, Bocheński taught history of the 20th century philosophy at the University…

AP211 Arthur on the porch of his home.jpg
Arthur Prior working on the veranda of his home at 8 Macmillan Avenue, Christchurch

AP230a Lukasiewicz-1947.jpg
A photograph of Jan Łukasiewicz (1878 – 1956), the famous founder of the Polish school of logic, who had enormous influence on Arthur Prior's own development as a logician. Łukasiewicz was a professor of philosophy at the University of Warsaw…