Oklahoma | National Science Foundation | Harvard Medical School | Oklahoma City | United States National Research Council | Ford Foundation | Tulsa, Oklahoma | National Research Council | Rockefeller Foundation | University of Oklahoma | American Medical Association | Commonwealth Scientific and Industrial Research Organisation | John Simon Guggenheim Memorial Foundation | Royal Army Medical Corps | Electronic Frontier Foundation | Bill & Melinda Gates Foundation | research | Oklahoma! | medical | Norman, Oklahoma | Agricultural Research Service | Office of Naval Research | St. Jude Children's Research Hospital | Governor of Oklahoma | New York Foundation for the Arts | Mozilla Foundation | Guggenheim Foundation | Cancer Research UK | Alexander von Humboldt Foundation | Medical Research Council (UK) |
In 1982 he moved to the Cancer Research Program at the Oklahoma Medical Research Foundation in Oklahoma City, where he remained until 1985, when he became Physician-in-Chief at the All Children's Hospital in St. Petersburg, Florida, and Chairman of Pediatrics at The University of South Florida Medical School.