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 Albert of Prussia (1837–1906) Prince Albert of Prussia (1837–1906) Prince Friedrich Wilhelm Nikolaus Albrecht of Prussia (8 May 1837 – 13 September 1906) was a Prussian general field marshal, "Herrenmeister" (Grand Master) of the Order of Saint John from 1883 until his death, and regent of the Duchy of Brunswick from 1885. He was born in Berlin, Brandenburg, the son of Prince Albert of Prussia (1809–1872) and his wife Princess Marianne (1810–1883), daughter of King William I of the Netherlands. His father was a brother of King Frederick William IV of Prussia and of William I, German Emperor. Albrecht entered the Prussian army in