doi:10.1093/ajh/hpv089 John has been variously described as an inspiration, mentor, teacher, friend (fiend—a typo?), charming, warm, enthusi-astic, visionary scientist, pioneer, innovator, egalitarian, and golfer. At other times he was called street fighter, competi-tor, and some unprintables. I believe he was all of these, and more. John was born in 1924 just north of New York City to a successful Irish family. He lived through the Great Depression, the loss of both parents as a teenager, and World War II—for which he volunteered (to get “a crack at the enemy! ” according to the Yonkers Herald). Instead, the army sent him to Cornell Medical College—they needed doctors. In 1948 he moved uptown to Columbia University College of Physicians &a...