Truman and Acheson at Acheson's Swearing-in Ceremony
President Harry S. Truman (right) shaking hands with Secretary of State Dean Acheson (left) at Acheson's swearing-in ceremony in the Oval Office. Standing in the background, from left to right, are: Senator Tom Connally, Major General Harry Vaughan (partly obscured by Acheson), Chief Justice Fred Vinson, Mary Jane Truman, and two unidentified women.