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Competitor Profile: HP (Happi) Muller 

TT Career Summary

Position34DNF
No of times111

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Biography

Born in Bielefeld, Müller started racing motorcycles in 1929 with a 500 cc Imperia, then changed to JAP for dirt track. In 1931 he joined the Victoria factory team where he became German Champion in the 600cc sidecar class in 1932. After Victoria stopped racing at the end of 1933, H.P. Müller raced as a privateer with his 350 cc Victoria with JAP engine during 1934 and early 1935 until Auto Union gave him a new 500 cc factory DKW. With this machine he became German Champion in the 500 cc class in 1936. The same year, he also won the Gold Medal in the six-day trial and in 1937 he was asked to join the Auto Union Grand Prix team as reserve driver. During these years, H.P. Müller the motorcycle racer changed to Hermann Müller, the grand prix driver, a name change, enforced by the top of the German Motor Sport Authority during the thirties. His first start was at the Eifel GP 1937 and he became works driver in 1938. His best results were third places at the 1937 Coppa Acerbo and sharing the drive with Rosemeyer at the Masaryk Circuit. He was wounded in French GP crash 1938. In 1939, Müller came second to Lang in the Kahlenberg Mountain Climb where he beat Stuck in both runs. At the Grossglockner Mountain Climb, Müller again won the first heat by one second but in the second heat, he lost too much time in the fog, finishing third. He won the French Grand Prix and came second at the German Grand Prix. In the four races of the 1939 European Championship Müller outscored Lang and would under normal circumstances have been the 1939 European Champion, the equivalent of today’s World Champion. But after the conclusion of the series, the A.I.A.C.R. could not meet and the German ONS changed the existing rules to the favour of Lang and declared him the champion instead.

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