Onno Klopp

Onno Klopp (9 October 1822 in Leer, Kingdom of Hanover – 9 August 1903 in Penzing, Austria) was a German historian, best known as the author of ''Der Fall des Hauses Stuart'' (The Fall of the House of Stuart), the fullest existing account of the later Stuarts. He is also known as one of the few German historians who denigrated Frederick the Great. Provided by Wikipedia