Orso Mario Corbino was an Italian physicist and politician. He is noted for his studies of the influence of external magnetic fields on the motion of electrons in metals and he discovered the Corbino effect. He served as Minister for education in 1921–1922 and as Minister for National Economy in 1923–1924. He also served as professor of the University of Messina (1905) and of the University of Rome (1908). He was also the supervisor of the Via Panisperna boys.