After graduating Vienna University of Technology he worked for Magirus in Ulm (1935–1938) and Porsche in Stuttgart (1938–1945), developing the Kdf-Wagen (1939) and VK 4501 (P) tank (1943).
After graduating from Vienna University of Technology, he worked at Magirus in Ulm (1935–1938) and Porsche in Stuttgart (1938–1945), creating the Kdf-Wagen (1939) and VK 4501 (P) tank (1943).