Chapman, Oscar L. (Oscar Littleton), 1896-1978

Secretary of the Interior Oscar Chapman reviews his itinerary during a campaign stop in Indiana.

Floyd Dotson (left), Director of Administrative Services, Department of the Interior, swears in D. Otis Beasley (right) as Administrative Assistant Secretary of the Interior. Secretary of the Interior Oscar Chapman is in center.

Left to right: Under Secretary of the Interior Richard Searles; Administrative Assistant Secretary of the Interior Vernon Northrop; W. Darlington Denit, Comptroller, Department of the Interior; and Secretary of the Interior Oscar Chapman pose for a picture after Denit received the Interior's Distinguished Service Award.

Secretary of the Interior Oscar Chapman (left) pins a Distinguished Service Award onto W. Darlington Denit, Comptroller for the Department of the Interior.

Secretary of the Interior Oscar Chapman (right) with an unidentified man at the dedication of the Andrew W. Mellon Memorial Fountain in Washington, D.C.

James Chapman meets President Truman for the first time at the Armed Forces Day parade. Left to right: Chuck Brooks; Secretary of the Interior Oscar Chapman; James Chapman; unidentified daughter of John Graham; Assistant Secretary of the Treasury John S. Graham; and President Harry S. Truman.

Fred Vinson, Chief Justice of the United States Supreme Court, speaks during the dedication ceremony for the Andrew W. Mellon Memorial Fountain in Washington, D.C. Also pictured: Ann (Mrs. Oscar) Chapman (front row, left); Secretary of the Interior Oscar Chapman (front row, second from left). All others unidentified.

View of the speakers and attendees at the dedication ceremony for the Andrew W. Mellon Memorial Fountain in Washington, D.C. Standing at the podium is Fred Vinson, Chief Justice of the Supreme Court. Pictured on rostrum: Ann (Mrs. Oscar) Chapman (front row, left); Secretary of the Interior Oscar Chapman (front row, second from left). All others unidentified.

Secretary of the Interior Oscar Chapman (right) poses with Assistant Secretary of the Interior Joel D. Wolfsohn (fourth from right) and unidentified family after Wolfsohn's swearing-in ceremony.

Guests seated on the rostrum at the dedication ceremony for the Andrew W. Mellon Memorial Fountain in Washington, D.C. Pictured: Ann (Mrs. Oscar) Chapman (left); and Secretary of the Interior Oscar Chapman (second from left). All others unidentified.