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 Adalbert of Prussia (1811–1873) in 1860 during an expedition on the Nile. Prince Adalbert of Prussia (1811–1873) Prince Adalbert of Prussia ("Heinrich Wilhelm Adalbert") (29 October 1811 in Berlin – 6 June 1873 in Karlsbad) was a son of Prince Wilhelm of Prussia and Landgravine Marie Anna of Hesse-Homburg. He was a naval theorist and admiral. He was instrumental during the Revolutions of 1848 in founding the first unified German fleet, the Reichsflotte. During the 1850s he helped to establish the Prussian Navy. Adalbert was the son of Prince William, the youngest brother of King Frederick William III. As a young man, Adalbert entered