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 Wilhelm Victor of Prussia Prince Wilhelm Victor of Prussia Prince Wilhelm Victor of Prussia ("Wilhelm Viktor Ernst Freund Friedrich Georg Adalbert") (15 February 1919 in Kiel, Schleswig-Holstein, 7 February 1989 in Donaueschingen, Baden-Württemberg) was a German nobleman, soldier and diplomat. Prince Wilhelm Victor was a grandson of Emperor Wilhelm II and the youngest child of Prince Adalbert of Prussia (14 July 1884 – 22 September 1948) and Princess Adelheid "Adi" of Saxe-Meiningen (16 August 1891 – 25 April 1971). His father, Prince Adalbert carried also the title "Graf Lingen". He forfeited his rights of succession as a result of his unequal marriage. His sister,