David Rockefeller his graduate studies, he received a Ph.D. from the University of Chicago in 1940. After completing his studies in Chicago, he became secretary to New York Mayor Fiorello La Guardia for eighteen months in a "dollar a year" public service position. Although the mayor pointed out to the press that Rockefeller was only one of 60 interns in the city government, his working space was, in fact, the vacant office of the deputy mayor. From 1941 to 1942, Rockefeller was assistant regional director of the United States Office of Defense, Health and Welfare Services. Rockefeller enlisted in the U.S. Army
Rockefeller Museum British Mandate, James Henry Breasted, founder and director of the University of Chicago's Oriental Institute, recognized the need for an archaeological museum in Jerusalem to house important regional finds. Encouraged by Lord Plumer, the British High Commissioner, Breasted approached American philanthropist John D. Rockefeller, Jr., who agreed to donate two million dollars toward the project. Previously, he had offered to build an archeological museum in Cairo, Egypt, but he was turned down, possibly due to pressure from the British government, which was anxious to keep America from establishing a foothold in the region. The museum was designed by Austen Harrison,