 In July 1928, he passed his science exam in Cologne and in October 1929, he passed his teaching exam in Berlin.For a time, he conducted scholarly research in Königs Wusterhausen and in 1932, he was hired to be the director of Landschulheim Caputh.He was granted his teaching certificate from the Potsdam school administration on May 2, 1932, less than a year before the Nazi Party seized power and shortly thereafter, began to prohibit Jewish educators from teaching at "German" schools, requiring that they work at strictly Jewish schools.