Discovery of the positron, C. Anderson
Neutron detected by J. Chadwick
24 April 1932 discovery of 1862 Apollo
3 October 1932, Death of Maximilian Franz Joseph Cornelius Wolf in Heidelberg, Germany.
1932 Birth of Herman Winick
1932 Birth of Fang Shouxian
1932 Death of Reginald Aubrey Fessenden
Physics to Werner Heisenberg for the creation of quantum mechanics, the application of which has, inter alia, led to the discovery of the allotropic forms of hydrogen.
Chemistry to Irving Langmuir "for his discoveries and investigations in surface chemistry"
Physiology or Medicine to Sir Charles Scott Sherrington and Edgar Douglas Adrian "for their discoveries regarding the functions of neurons"