Rashi Fein (February 6, 1926 – September 8, 2014) was an American health economist termed "a father of Medicare" in the United States and "an architect of Medicare," was Professor of Economics of Medicine, Emeritus, in the Department of Global Health and Social Medicine at Harvard Medical School, and the author of the book Medical Care, Medical Costs: The Search for a Health Insurance Policy (Harvard University Press, 1986, 1989). Fein served on the Advisory Committee of the Jewish Alliance for Law and Social Action He died of melanoma at Massachusetts General Hospital, in Boston.