Born in Schladming , Austria , on January 21 , 1900 , Franz studied mechanical engineering at the Graz University of Technology .
Born in Schladming , Austria , on January 21 , 1900 , Franz earned a doctoral degree from the Humboldt University of Berlin .
Born in Schladming , Austria , on January 21 , 1900 , Franz studied mechanical engineering at the Graz University of Technology and earned a doctoral degree from the Humboldt University of Berlin .