Lánczos, Cornelius (Kornél) (1893–1974), theoretical physicist, was born 2 February 1893 in Székesfehérvár, Hungary, eldest of five children of Carolus Löwy, lawyer, and Adél Hahn. During the early 1900s the family changed their name to Lánczos, a Hungarian form of the Jewish name Löwy…...