Ralph Weichselbaum

Ralph R. Weichselbaum (born 12 December 1945 in Chicago) is an American physician specializing in radiation oncology, a member of the Institute of Medicine of the National Academy of Sciences, Ludwig professor, He is Daniel K. Ludwig Distinguished Service Professor of Radiation Oncology and Chairman, Department of Radiation and Cellular Oncology, at the University of Chicago Pritzker School of Medicine, and Head of the University of Chicago Center for Radiation Therapy, and the director of the Chicago Tumor Institute. Weichselbaum is also Co- Director of the Ludwig Center for Metastasis Research at the University of Chicago. Provided by Wikipedia