My articles on “Icons of Cardiology” have, up to this point, described scientists whose work centered on laboratory experimentation. By elucidating both normal physiology and the abnormalities that cause human disease, these investigators contributed to the foundations of modern cardiology that made possible the remarkable clinical achievements of the past century. The present article departs from this practice by recognizing one of the great practicing cardiologists of the 20th century. Moreover, this brief biography documents my view that the approach of the skilled physician is fundamentally similar to that used in basic research. In my own experience, the epitome of both clinical medicine and scientific inquiry is personified by Paul Wood, who showed me how the “scientific method” can be used at the bedside...