 At the age of ten Dehmelt enrolled in the Berlinisches Gymnasium zum Grauen Kloster, a Latin school in Berlin, where he was admitted on a scholarship.After graduating in 1940, he volunteered for service in the German Army, which ordered him to attend the University of Breslau to study physics in 1943.After a year of study he returned to army service and was captured during the Battle of the Bulge.