President Harry S. Truman poses with celebrities and others at the rededication of the Sesquicentennial Amphitheatre to the Carter Barron Amphitheatre in Washington's Rock Creek Park. From left to right: Secretary of the Interior Oscar Chapman; Edward J. Kelly, Superintendent of National Capital Parks; unidentified; dancer Gower Champion; unidentified; singer Kathryn Grayson; President Truman; dancer Marge Champion; actor Walter Pidgeon; unidentified. From: Oscar Chapman Scrapbook