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 Henry of Prussia (1862–1929) Victoria and in widowhood Empress Frederick), eldest daughter of the British Queen Victoria. Henry was three years younger than his brother, the future Emperor William II (born 27 January 1859). He was born on the same day as King Frederick William I "Soldier-King" of Prussia. After attending the gymnasium in Kassel, which he left in the middle grades in 1877, the 15-year-old Henry entered the Imperial Navy cadet program. His naval education included a two-year voyage around the world (1878 to 1880), the naval officer examination ("Seeoffizierhauptprüfung") in October 1880, and attending the German naval academy (1884 to 1886). As