Josef Ganz, the May Bug and Volkswagen
Richard Kürchen and his brother Xavier
Louis L. Lepoix
A French designer, his projects included Horex (Rebell), Progress, Puch (M125 and SR150), Bastert (Einspurauto), Walba, Triumph TWN (Contessa), Victoria (Nicky and Swing), Kreidler (Florett), Steib...
Roder was involved with the Ziro, EMAG and Ermag marques. Later he designed the NSU Fox, and the Ultramax valve train of the Max, Superfox and Maxi.
One of the most successful German off-road motorcycle riders of the post-war period, he participated in countless national and international off-road motorsport events and won an incredible total of 214 gold medals, 14 silver medals and 9 bronze medals. He rode with Mars, Sachs, Hercules and Maico.
More information: http://www.meisterdinger.de/fahrer/witzel/index.htm Witzel at meisterdinger.de