Achim Gercke

His articles outlined Nazi policy on what to do to the Jews during the early phase of the Third Reich, which included expulsion from Germany.

[3] In 1932, Nazi Gauleiter Rudolf Jordan claimed that SS Security Chief Reinhard Heydrich was not a pure "Aryan".

Gregor Strasser passed the allegations on to Achim Gercke who investigated Heydrich's genealogy.

[4] Gercke reported that Heydrich was "... of German origin and free from any coloured and Jewish blood".

[4][5] Even with this report, Heydrich privately engaged SD member Ernst Hoffman to further investigate and deny the rumours.