 Complete the following phrase:  Sources give differing reports of what happened next. Wiesenthals autobiographies contradict each other on many points; he also over-dramatised and mythologised events. One version has Wiesenthal opening an architectural office and finally being admitted to the Lwów Polytechnic for an advanced degree. He designed a tuberculosis sanatorium and some residential buildings during the course of his studies and was active in a student Zionist organisation. He wrote for the Omnibus, a satirical student newspaper, and graduated in 1939. Author Guy Walters states that Wiesenthals earliest autobiography does not mention studies at Lwów. Walters quotes a curriculum vitae Wiesenthal prepared after World War II as stating he worked as a supervisor at a factory until 1939 and then worked as a mechanic in a different factory until the 