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
John D. Rockefeller Atlanta, GA., named after Laura's family. The Spelman Family, Rockefeller's in-laws, along with John Rockefeller were ardent abolitionists before the Civil War and were dedicated to supporting the Underground Railroad. John Rockefeller was impressed by the vision of the school and removed the debt from the school. The oldest existing building on Spelman's campus, Rockefeller Hall, is named after him. Rockefeller also gave considerable donations to Denison University and other Baptist colleges. Rockefeller gave $80 million to the University of Chicago under William Rainey Harper, turning a small Baptist college into a world-class institution by 1900. He also gave a