sentences:  Rudorffer was born on 1 November 1917 in Zwochau, at the time in the Kingdom of Saxony of the German Empire.After graduation from school, he received a vocational education as an automobile metalsmith specialized in coachbuilding.He joined the military service of the "Luftwaffe" with "Flieger-Ersatz-Abteilung" 61 (Flier Replacement Unit 61) in Oschatz on 16 April 1936.