Thomas P. Stossel, M.D., is a hematologist and medical researcher at Boston’s Brigham & Women’s Hospital and Harvard Medical School, where he is the American Cancer Society Professor of Medicine. He has authored more than 290 publications and two textbooks, and is an inventor on 11 issued patents. He is an elected member of the National Academy of Sciences, the founder and scientific director of two biotechnology start-up companies, a cofounder - along with his wife Kerry Maguire, D.D.S., M.S.P.H. and others - of the medical outreach organization Options for Children in Zambia, and a Visiting Scholar at the American Enterprise Institute.