Johann Georg Adolf Ritter von Deines (May 30, 1845–November 17, 1911) was a Prussian soldier, diplomat, and educator, as well as a member of the lower nobility. As a member of the Prussian Army, Deines rose to the rank of Cavalry General, and served as aide-de-camp to Kaiser Wilhelm II. In addition to his military duties, Deines also served as Obergouverneur, or military-governor, to the Kaiser's sons. In this capacity, Deines oversaw the complete reconstruction of the system in which the princes were educated, shifting from a court-based theoretical system of education to a hands-on, physical style of learning that brought the princes into close contact with boys of varying rank in order to give them a well-rounded understanding of the world, removed from the strictures and pretenses of t