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 Louis Ferdinand of Prussia (1772–1806) Prince Louis Ferdinand of Prussia (1772–1806) Prince Louis Ferdinand of Prussia (Friedrich Ludwig Christian; 18 November 1772 – 10 October 1806), was a Prussian prince and a soldier in the Napoleonic Wars. Louis Ferdinand was born in Friedrichsfelde Palace near Berlin. He was a son of Prince August Ferdinand of Prussia and Elisabeth Louise of Brandenburg-Schwedt, and was a nephew of King Frederick the Great. Ludwig von Wildenbruch was the elder of two illegitimate children of Louis Ferdinand by Henriette Fromme. The 1927 German film "Prinz Louis Ferdinand" was a biopic of his life. Louis Ferdinand participated in the French