supplied to the Soviet Union from the United States. Watson, Sr.'s youngest son, Arthur K. Watson, also joined the military during the conflict. Post-World War II Watson worked with local leaders to create a college in the Binghamton area, where IBM was founded and had major plants. In 1946, IBM provided land and funding for Triple Cities College, an extension of Syracuse University. Later it became known as Harpur College, and eventually evolved into Binghamton University. Its school of engineering and applied science is named the Thomas J. Watson College of Engineering and Applied Science. After World War II, Watson began work to further the extent of IBM's influence abroad and in 1949, he created the IBM World Trade Corporation in order to oversee IBM's foreign business. Watson retired in 1956 and his oldest son, Thomas J. Watson Jr., became IBM's CEO. He died on June 19, 1956, in Manhattan, New York City and was buried in Sleepy Hollow Cemetery in Sleepy Hollow, New York. Personal life Watson married Jeanette Kittredge, from a prominent Dayton, Ohio railroad family, on April 17, 1913. They had two sons and two daughters. Thomas Watson, Jr. succeeded his father as IBM chairman and later served as ambassador to the Soviet Union under Jimmy Carter Jeanette Watson Irwin married businessman John N. Irwin II, later ambassador to France Helen Watson Buckner became an important philanthropist in New York City Arthur K. Watson served as president of IBM World Trade Corporation and later, as ambassador to France As a Democrat (after his criminal indictment by the Taft Administration), Watson was an ardent supporter of Roosevelt. He was one of the most prominent businessmen in the Democratic Party. He was considered Roosevelt's strongest supporter in the business community. Watson served as a powerful trustee of Columbia University from June 6, 1933, until his death. He engineered the selection of Dwight D. Eisenhower as its president and played the central role in convincing Eisenhower to become president of the university. Additionally, he served as a trustee of Lafayette College and is the namesake of Watson Hall, a campus residence hall. In 1936 the U.S. Supreme Court upheld a lower court decision that IBM, together with Remington Rand, should cease its practice of requiring its customers to buy their punch cards from it alone. The ruling made little difference because IBM was the only effective supplier to the market,