The first man to hold it lost in another country at the Battle of Maysalun and signed an agreement with Chaim Weizmann.  
One holder of this post set up a radio station in his Al Zahour palace that drew ire from Maurice Patterson.  The final man to hold it received an education in exile at the Harrow School following a power grab by Rashid (*) Ali al-Gaylani.  The first man to hold it lost in another country at the Battle of Maysalun and signed an agreement with Chaim Weizmann.  For 10 points, name this position occupied by three Hashemite rulers, most recently held by Faisal II.
One holder of this post set up a radio station in his Al Zahour palace that drew ire from Maurice Patterson.  
{King} of {Iraq}