
John Zitelli, M.D., laughs when he recalls how he first realized his passion for medicine. The clinical associate professor of dermatology and otolaryngology, University of Pittsburgh Medical Center, remembers when his aunt, who liked to whittle, gave him a small knife. Instead of using it on wood, Dr. Zitelli would use it to dissect road kill. In high school, years later, he worked at a funeral home, embalming bodies.