Eli EhrenpreisSkokie, Illinois, United States When Ruggero Oddi (1864–1913) was a medical student at the University of Bologna, he performed studies detailing the physiology of the biliary sphincter. This work became Oddi’s legacy, setting the stage for modern biliary and pancreatic clinical science. Without Oddi’s research, we would not have reached our current state-of-the-art in…