In the last half century, a revolution in biology and medicine has taken place, bringing about emerging practical, philosophical, and societal issues with which academia in general, and medicine and oncology in particular, must grapple. One witness to this revolution is Samuel B. Hellman, a radiation oncologist who has served as Dean of the Pritzker School of Medicine at the University of Chicago; Physician-in-Chief at Memorial Sloan Kettering Cancer...