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 of Prussia (1783–1851) Prince Wilhelm of Prussia (1783–1851) Prince Wilhelm of Prussia (Friedrich Wilhelm Karl von Preußen; 3 July 1783, Berlin – 28 September 1851, Berlin) was the son of Frederick William II of Prussia and Frederika Louisa of Hesse-Darmstadt. Prince William was the fourth and youngest son of King Frederick William II of Prussia and Princess Frederika Louisa of Hesse-Darmstadt. He served in the Guards from 1799 and fought in 1806 at the head of a cavalry brigade at Battle of Jena and Auerstedt. In December 1807, he traveled to Paris, to try to reduce the war burdens imposed on Prussia by