James Franck | Biography

James Franck was born in Hamburg, Germany, on August 26, 1882, to Jacob Franck, a German Jewish banker, and Rebecka Nachum Drucker. He attended school at the Wilhelm Gymnasium in Hamburg before enrolling at the University of Heidelberg. Franck's father wanted him to study law and economics with the hope that his son would take over the family business. Out of a sense of duty, Franck complied, but after attending law lectures for a short time, he determined to follow his own path and enrolled in the faculty of chemistry.

Heidelberg was where Franck met Max Born, the German physicist with whom he formed his closest friendship. After two terms studying chemistry, Franck enrolled in the doctoral program at the University of Berlin. Under the influence of its physics professor, Emil Warburg, he became interested in physics and switched fields. He began a study to determine the mobility of ions...
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