National Park Service

President Harry S. Truman (left) with Secretary of State Dean Acheson (right) in the Oval Office, discussing Acheson's meetings with foreign and defense ministers of North Atlantic Treaty Organization (NATO) countries in Brussels, Belgium.

President Harry S. Truman (second from the left, back to camera) at his desk in the Oval Office with Secretary of State Dean Acheson (left), discussing Acheson's meetings with North Atlantic Treaty Organization (NATO) foreign and defense ministers in Brussels. All the photographers gathered around the front of the desk are unidentified.

President Harry S. Truman (seated, left) in the Oval Office with the Prime Minister of France, Rene Pleven (seated, right), as Secretary of State Dean Acheson (standing, left) and Secretary of Defense George C. Marshall (standing, right) look on.

President Harry S. Truman (seated, left) with French Prime Minister Rene Pleven (seated, right), Secretary of State Dean Acheson (standing, left), and Secretary of Defense George C. Marshall (standing, right) in the Oval Office.

President Harry S. Truman (seated, left) with French Prime Minister Rene Pleven (seated, right), Secretary of State Dean Acheson (standing, left), and Secretary of Defense George C. Marshall (standing, right) in the Oval Office.

President Harry S. Truman (center left) greeting General Dwight D. Eisenhower (center right) and Mrs. Mamie Eisenhower (center middle) at Washington National Airport in Washington, D.C., upon the Eisenhower's return from Europe. All other individuals are unidentified.

President Harry S. Truman (seated, left) with French Prime Minister Rene Pleven (seated, right), Secretary of State Dean Acheson (standing, left), and Secretary of Defense George C. Marshall (standing, right).

President Harry S. Truman (back of table, fourth from right) and members of the Committee on Interior and Insular Affairs, the House Public Lands Committee, and the Senate Committee on Public Works attend a luncheon in the dining room of the Department of the Interior. Also pictured: Secretary of the Interior Oscar Chapman (back of table, fifth from right); Senator Joseph O'Mahoney (back of table, third from right); Senator Zales Ecton (back of table, second from right); Congressman John R. Murdock (back of table, standing); and Appointment Secretary Matthew Connelly (back of table, left).

President Harry S. Truman (center left) and General Dwight D. Eisenhower (center right) at Washington National Airport in Washington, D.C., after Eisenhower's return from Europe. All other individuals are unidentified.

President Harry S. Truman (second from the left, back to camera) at his desk in the Oval Office with Secretary of State Dean Acheson (left), discussing Acheson's meetings with North Atlantic Treaty Organization (NATO) foreign and defense ministers in Brussels. Standing on the left near the lamp is White House Receptionist William Simmons. All the photographers gathered around the front of the desk are unidentified.