Nelson Rockefeller that the inclusion was essential, especially to U.S. policy in Latin America, successfully urged the need for regional pacts within the framework of the UN. Rockefeller was also instrumental in persuading the UN to establish its headquarters in New York City. President Truman fired Rockefeller, reversed his policies, and shut down the OCIAA. Reich says that in official Washington, Rockefeller had become "a discredited figure, a pariah." He returned to New York. Back in the metropolis in mid-1945, Rockefeller served as Chairman of Rockefeller Center, Inc., (1945–53 and 1956–58) and began a program of physical expansion. He established the American
Margaret Rockefeller Strong 1965. She then donated the corner townhouse to her cousin, David Rockefeller, who founded the Center for Inter-American Relations there. In December 1979, Margaret donated her father's estate, Villa Le Balze in Fiesole, Tuscany, Italy to Georgetown University which operates an overseas campus there. Her life can be read at "El Inútil de la Familia", book written by Jorge Edwards, a Chilean writer. Margaret Rockefeller Strong Margaret Rockefeller Strong (1897–1985) was an American activist. Margaret was the daughter of Elizabeth "Bessie" Rockefeller (1866–1906) and Dr. Charles Augustus Strong (1862–1940). Her maternal grandfather was Standard Oil co-founder John D. Rockefeller (1839–1937).