"Heil Hitler" salute given chairman of House Committee investigating un-American activities by first witness. Washington, D.C., Aug. 12. Called as the first witness before the Special House Committee investigating Un-American activities, John Metcalfe, former Chicago reporter but now an investigator for the committee, gives Chairman Martin Dies (right) a Nazi salute before taking the stand. Joining under the name of Hellmut Oberwinder, Metcalfe related his experiences as a member of the German-American bund and charged the organization has a secret relationship with the Nazi government in Germany, 8/12/38