Hermann Paul Müller was a German sidecar

Sidecar

A sidecar is a one-wheeled device attached to the side of a motorcycle, scooter, or bicycle, producing a three-wheeled vehicle.-History:A sidecar appeared in a cartoon by George Moore in the January 7, 1903, issue of the British newspaper Motor Cycling. Three weeks later, a provisional patent was...

, motorcycle

Motorcycle

A motorcycle is a single-track, two-wheeled motor vehicle. Motorcycles vary considerably depending on the task for which they are designed, such as long distance travel, navigating congested urban traffic, cruising, sport and racing, or off-road conditions.Motorcycles are one of the most...

, and race car driver.

Müller started his competitive career in 1928. He became German Sidecar Champion in 1932, then in 1936, he took the German 500cc Motorcycle title.

He switched to cars the next year, driving for Auto Union

Auto Union

Auto Union was an amalgamation of four German automobile manufacturers, founded in 1932 and established in 1936 in Chemnitz, Saxony, during the Great Depression. The company has evolved into present day Audi, as a subsidiary of Volkswagen Group....

. He won the 1939 edition of the FIA

Fédération Internationale de l'Automobile

The Fédération Internationale de l'Automobile is a non-profit association established as the Association Internationale des Automobile Clubs Reconnus on 20 June 1904 to represent the interests of motoring organisations and motor car users...

 French Grand Prix

French Grand Prix

The French Grand Prix was a race held as part of Fédération Internationale de l'Automobile's annual Formula One automobile racing championships....

 held in Reims

Reims-Gueux

Reims-Gueux was a triangular motor racing road course near Reims, France, which hosted 14 French Grands Prix.Reims-Gueux was first established in 1926 on the public roads between the small French villages of Thillois and Gueux. The circuit had two very long straights between the towns, and teams...

. The winner of that season's European Championship was never officially announced by the AIACR due to the outbreak of World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

. Although Müller would have won the championship on points, the president of Germany

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

's highest motorsports organisation declared Hermann Lang

Hermann Lang

Hermann Lang was a German champion race car driver.Born in the Bad Cannstatt district of Stuttgart, Baden-Württemberg, Germany, at age fourteen Hermann Lang had to go to work to help support his family following the death of his father...

 the champion.

After the war he returned to motorcycle racing, winning the 1947 and 1948 German 250cc titles. In 1955

1955 Grand Prix motorcycle racing season

The 1955 Grand Prix motorcycle racing season was the 7th F.I.M. Road Racing World Championship Grand Prix season. The season consisted of eight Grand Prix races in five classes: 500cc, 350cc, 250cc, 125cc and Sidecars 500cc...

, he won the 250cc world championship riding an NSU

NSU Motorenwerke AG

NSU Motorenwerke AG, normally just NSU, was a German manufacturer of automobiles, motorcycles and pedal cycles, founded in 1873. It was acquired by Volkswagen Group in 1969...

. To this day he remains the oldest person to win a Grand Prix Motorcycle world championship, at the age of 46.