On 29 April 1945 Dachau was surrendered to Brig. Gen. Henning Linden of the 42nd Infantry Division of the U.S. Army by Untersturmführer Wicker.
No, this guy has done many, many speaking engagements, and his tale does not involve generals. There wasn’t a general on the front line smelling the burnt bodies, finding piles of dead, finding the emaciated prisoners. I’m fairly certain the general came up later.