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

Under Secretary of the Interior Oscar Chapman poses for a photo in his office.

Former Secretary of the Interior Oscar Chapman (in car, left) and Ann (Mrs. Oscar) Chapman (in car, right) arrive at the White House for a dinner in honor of West German Chancellor Ludwig Erhard. A choir can be seen singing on the steps of the White House. All others unidentified.

Former President Harry S. Truman (right) and former Secretary of the Interior Oscar Chapman (second from right) with two unidentified men at a White House dinner in honor of West German Chancellor Ludwig Erhard.

Former Secretary of the Interior Oscar Chapman (left) and Ann (Mrs. Oscar) Chapman on vacation at the El Conquistador Resort in Fajardo, Puerto Rico.

Left to right: Ann (Mrs. Oscar) Chapman, Peggy Henning, former Secretary of the Interior Oscar Chapman, and Ellie Henning in Hawaii.

Former Secretary of the Interior Oscar Chapman and Ann (Mrs. Oscar) Chapman (center) on vacation at the El Conquistador Resort in Fajardo, Puerto Rico. All others unidentified.

Oscar Chapman (right), Ann (Mrs. Oscar) Chapman (second from right), and James Chapman (second from left) sit by a Christmas tree with an unidentified woman and dog.

Conservationists, politicians, and others meet with President Lyndon B. Johnson to discuss the California Redwood trees. Seated, left to right: Secretary of the Interior Stewart Udall; President Johnson; Chief Justice Earl Warren; and Senator Clinton P. Anderson. Second row: Congressman Wayne Aspinall (third from left); Melville B. Grosvenor, President, National Geographic Society (fifth from left); Congressman Don Clausen (third from right); and Oscar Chapman (right). Third row: George Hartzog, Director, National Park Service (right); and Stanley A.

Oscar Chapman (right) with an unidentified man at the 97th annual men's convention of the B'nai B'rith District Grand Lodge #2.

Oscar Chapman (at podium) speaks at the 97th annual men's convention dinner of the B'nai B'rith District Grand Lodge #2. All others unidentified.