The collection consists primarily of manuscripts and printed speeches given by William Lockhart Clayton between 1926 and 1958. Additionally, it contains correspondence and three issues of ACCO magazine.
William Lockhart Clayton (February 7, 1880-February 8, 1966) was an American business leader and government official. During World War I he served on the Committee of Cotton Disribution of the War Industries Board. In 1940 he was called to serve as deputy to the Coordinator of Inter-American Affairs. He would go on to serve in many high-level positions with the Export-Import Bank, Department of Commerce, and wartime agencies during World War II. From December 1944 through October 1947, he was Assistant and then Undersecretary of State for Economic Affairs, and he became the principal architect of the European Recovery Program, more commonly known as the Marshall Plan.