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

Former Secretary of the Interior Oscar Chapman speaking at the Harry S. Truman Library the day the bust of Dean Acheson was presented. Seated onstage behind Chapman: Executive Director of the Harry S. Truman Library, Inc., David D. Lloyd; Chief Justice Earl Warren; former Secretary of State Dean Acheson; sculptor Eleanor Platt.

The presentation of the Dean Acheson bust to the Harry S. Truman Library. From left: Chief Justice Earl Warren, former President Harry S. Truman, former Secretary of State Dean Acheson, former Secretary of the Interior Oscar Chapman, and sculptor Eleanor Platt.

The presentation of the Dean Acheson bust to the Harry S. Truman Library. From left: former Secretary of the Interior Oscar Chapman, sculptor Eleanor Platt, former Secretary of State Dean Acheson, former President Harry S. Truman, and Chief Justice Earl Warren.

The presentation of the Dean Acheson bust to the Harry S. Truman Library. From left: former Secretary of the Interior Oscar Chapman, sculptor Eleanor Platt, former Secretary of State Dean Acheson, former President Harry S. Truman, and Chief Justice Earl Warren.

From left: Harry S. Truman Library, Inc. Director David D. Lloyd, Chief Justice Earl Warren, former President Harry S. Truman, former Secretary of the Interior Oscar Chapman, and sculptor Eleanor Platt at the Truman Library at the presentation of the bust of Dean Acheson.

The presentation of the Dean Acheson bust to the Harry S. Truman Library. From left: Oscar Chapman, sculptor Eleanor Platt, Dean Acheson, former President Harry S. Truman, and Chief Justice Earl Warren.

The presentation of the Dean Acheson bust to the Harry S. Truman Library. From left: Oscar Chapman, Eleanor Platt, Dean Acheson, former President Harry S. Truman, and Chief Justice Earl Warren.

Opera singer Marian Anderson (second from left) and Oscar Chapman (left) at the Lincoln Memorial.

Marian Anderson (center), Assistant Secretary of the Interior Oscar Chapman (right) and others. All others are unidentified.

Margaret Truman and her friend Mary Shaw Branton and others in the audience for the premiere of "Faith of our Fathers" at the Rock Creek Park Sesquicentennial Amphitheatre. Front row, left to right: Nell (Mrs. Jesse) Donaldson, Postmaster General Jesse Donaldson, Elizabeth (Mrs. Charles) Sawyer, Secretary of Commerce Charles Sawyer, Ann (Mrs. Oscar) Chapman, Secretary of the Interior Oscar Chapman, Mrs. Mary Shaw Branton, and Margaret Truman. Press Secretary Charles Ross is also present (second row, fourth from right). All others are unidentified.