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 family The "Rockefeller Archive Center", an independent foundation that was until 2008 a division of Rockefeller University, is a three-level underground archive below the "Martha Baird Rockefeller" "Hillcrest" house on the family estate at Pocantico (see Kykuit). Along forty-foot-long walls of shelves on rails, maintained by ten full-time archivists, is the entire repository of personal and official papers and correspondence of the complete family and its members, along with historical papers of its numerous foundations, as well as other non-family philanthropic institutions. These include: the Commonwealth Fund, "Charles E. Culpeper Foundation", "Lucille P. Markey Charitable Trust", and the "John and Mary