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 official letterhead as a staff officer serving in the Chancellery, 1p. large 4to., Berlin, Jan. 29, 1936 to a man from Danzig advising him that his message is being forwarded to a deputy at party headquarters in Munich. Very good.