Prince Henry of Prussia (1862–1929) became the club's patron. Henry was interested in motor cars as well and supposedly invented a windshield wiper and, according to other sources, the car horn. In his honor, the "Prinz-Heinrich-Fahrt" (Prince Heinrich Tour) was established in 1908, like the earlier Kaiserpreis a precursor to the German Grand Prix. Henry and his brother William gave patronage to the Kaiserlicher Automobilclub (Imperial Automobile Club). Henry also was an early proponent of introducing submarines and airplanes. He had merchant ships converted into seaplane tenders for operations in the Baltic Sea. Henry respected his brother, but this attitude was not returned in the
Prince August Wilhelm of Prussia Prince August Wilhelm of Prussia Prince August Wilhelm Heinrich Günther Viktor of Prussia (29 January 1887 – 25 March 1949), called "Auwi", was the fourth son of Emperor Wilhelm II, German Emperor by his first wife, Augusta Victoria of Schleswig-Holstein. He is largely remembered today for his support of Nazism and of Adolf Hitler. He was born in the Potsdamer Stadtschloss when his grandfather was still the Crown Prince of Prussia. He spent his youth with his siblings at the New Palace, also in Potsdam, and his school days at the Prinzenhaus in Plön. Later, he studied at the universities