Pronunciation: (rok'u-fel"ur),[key] —n. 1. John D(a•vi•son) Pronunciation: (dā'vu-sun),[key] 1839–1937, and his son John D(avison), Jr., 1874–1960, U.S. oil magnates and philanthropists.
2. Nelson A(ldrich), 1908–79, U.S. political leader: governor of New York 1959–73; vice president of the U.S. 1974–77 (son of John D. Rockefeller, Jr.).