VIKTOR BRACK (1904 - 1948) German SS officer a war criminal who organized the T-4 euthanasia program and developed mass sterilization techniques. A chief planner of the organization and implementation of mass gassings. Executed. Rare T.L.S. on Reich Chancellery letterhead 1p. 4to. Berlin May 24 1937 to SS-Obergruppenfuhrer KARL WOLFF whom Brack teases addressing him as ""Lieber Peter!"" In part: ""...Regarding our discussion I am sending you all the papers I have concerning Oberleutnant Behrens...I ask for a return of the enclosure and a note how Behrens could be helped by the SS at least economically..."". Docketed by Wolff at top. File holes in left margin else very good.