In July 1942 Lieutenant General Rudolf Brandt, Himmler’s personal advisor (Strzelecka 1996), contacted Clauberg, asking on behalf of Himmler, [how long it would take] to sterilize 1000 Jewesses. The Jewesses themselves should not know anything about it. As the SS Reich Leader [Himmler] understands it, you could give the appropriate injection during a general examination.