Acme Newspictures

President Harry S. Truman (center) shakes hands with both former Postmaster General Robert E. Hannegan (left) and Secretary of the Treasury John W. Snyder in St. Louis, Missouri, just prior to the 1948 presidential election.

Vice-President Harry S. Truman (second from right) with Irving Geist (right) and Democratic National Committee Chairman Robert E. Hannegan (second from left) at the Graziano vs. Arnold boxing match at Madison Square Garden, New York City. Man on left is unidentified.

Secretary of State James F. Byrnes (center) shakes hands with President Harry S. Truman (right) after being sworn-in as Secretary in the White House Rose Garden. Also pictured (second row, l-r): Former Secretary of State Edward R. Stettinius, Jr.; Senator Kenneth McKellar; Secretary of War Henry L. Stimson; and Postmaster General Robert E. Hannegan. All others unidentified.

President Harry S. Truman (center) receives an autographed baseball from Detroit Tigers first baseman Hank Greenberg (right). Postmaster General Robert E. Hannegan is on left.

President Harry S. Truman (left) shakes hands with an Army Nurse Lieutenant at a White House Garden Party for wounded veterans. Brigadier General Harry Vaughan is pictured on the President's left and Naval Aide Captain Clark Clifford is in the background, center. All others unidentified.

President Harry S. Truman (left) and Postmaster General Robert E. Hannegan in the Oval Office.

President Harry S. Truman (left) signs a bill reducing air mail postage while Postmaster General Robert E. Hannegan looks on.

President Harry S. Truman walks through the door of the White House on his first day as President.

Secretary of State James F. Byrnes kisses the Bible as he is sworn in as Secretary of State in the White House Rose Garden. Also pictured, front row (l-r): Chief Justice Richard S. Whaley of the U.S. Court of Claims; Mrs. Maude Byrnes; and President Harry S. Truman. Second row (l-r): unidentified; Senator Kenneth McKellar; Secretary of War Henry L. Stimson; and Postmaster General Robert E. Hannegan. Standing behind Hannegan on the right is Secretary of Labor Lewis Schwellenbach. All others are unidentified.

Postmaster General Robert E. Hannegan (third from right) presents sheets of "Ruptured Duck" Discharge Emblem postage stamps to (l-r): U.S. Coast Guard Machinist's Mate 1/c Paul Leaman Clark; U.S. Navy Chief Electrician's Mate Charles V. Claybourn; President Harry S. Truman; U.S. Army Sergeant Michael Pulice; and U.S. Marine Corps Sergeant Douglas T. Jacobson.