Philipp, Prince and Landgrave of Hesse (6 November 1896 – 25 October 1980) was head of the Electoral House of Hesse from 1940 to 1980. He joined the Nazi Party in 1930, and, when they gained power with the appointment of Adolf Hitler as Chancellor in 1933, he became Oberpräsident of the Prussian Province of Hesse-Nassau .
Donatus, Prince and Landgrave of Hesse (Heinrich Donatus Philipp Umberto; born 17 October 1966) is the head of the House of Brabant and the German House of Hesse. He is the eldest son and successor of German aristocrat Moritz, Landgrave of Hesse , and his former wife, Princess Tatiana of Sayn-Wittgenstein-Berleburg. 
The Philipp University in Marburg, Germany was founded in 1527 by Landgrave Philipp I of Hesse, known to history as Philip The Noble or Philip The Magnanimous. Straubing-Bogen Council Installs DIS DCS 6000 & Shure ULX-D Mic System In Main Debating Chamber