Joseph Early Widener was a wealthy American art collector who was a founding benefactor of the National Gallery of Art in Washington, D.C. A major figure in thoroughbred horse racing, he was head of New York's Belmont Park and builder of Miami's Hialeah Park racetrack in Florida.

William Averell Harriman, better known as Averell Harriman, was an American Democratic politician, businessman, and diplomat. He founded Brown Brothers Harriman & Co., served as Secretary of Commerce under President Harry S. Truman, and was the 48th governor of New York, as well as a candidate for the Democratic Party nomination for president in 1952 and 1956. Throughout his career, he was a key foreign policy advisor to Democratic presidents.