Rockefeller, John D(avison), Jr

Rockefeller, John D(avison), Jr. (1874-1960), American industrialist, son of John Davison Rockefeller, born in Cleveland, Ohio, and educated at Brown University. In 1911, upon his father's retirement, he assumed the general superintendency of the Rockefeller enterprises. He was chairman of the board of directors of the Rockefeller Foundation, a director of the General Education Board, and president of the board of the Rockefeller Institute for Medical Research. In 1930 he began supervising the construction of an extensive complex of buildings in New York; known as Rockefeller Center or Radio City, the project was completed in 1939. Among Rockefeller's important philanthropic activities were his financing of the colonial restoration of Williamsburg, Virginia, and his donation of land in New York to the United Nations for use as the site of its international headquarters.