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
Rockefeller University Rockefeller Jr. Greatly elevating the prestige of American science and medicine, it was America's first biomedical institute, like France's Pasteur Institute (1888) and Germany's Robert Koch Institute (1891). The Rockefeller Foundation, a philanthropic organization, founded in 1913, is a separate entity, but had close connections mediated by prominent figures holding dual positions. The first director of laboratories was Simon Flexner, who supervised the development of research capacity at the Institute, whose staff made major discoveries in basic research and medicine. While a student at Johns Hopkins University, Flexner had studied under the Institute's first scientific director, William H. Welch, first