[2] He had been a member of the Nationalliberale Vereinigung, a landowners' group that was affiliated to the DVP and also included the likes of Johann Becker, Moritz Klönne, Albert Vögler and Alfred Gildemeister, but he then clashed with the leadership and switched to the DNVP in early 1924.
[3] As a DNVP member, Quaatz was personally close to party leader Alfred Hugenberg.
The media baron frequently confided in his friend, as has been demonstrated by Quaatz's diaries, published in 1989.
[4] Despite his mother being Jewish, Quaatz endorsed anti-Semitic policies as a DNVP politician and even encouraged Hugenburg to work closely with Adolf Hitler for fear of both socialism and the political Catholicism of the Centre Party.
[7] He was briefly crossexamined by the Gestapo in the aftermath of the 20 July plot on Hitler's life in 1944, but generally, his high-level contacts meant that he endured little state attention.