My first knowledge of Henry Kempe occurred at the Yale University School of Medicine, New Haven, Conn, in 1946. I was about to begin my third year of pediatric residency. When I heard about my future colleagues, I became apprehensive: two of the other assistant residents had had other training and were much more experienced, and the fourth, Henry Kempe, was described as a "virologist," which made him sound quite formidable. The apprehension quickly gave way to preoccupation with the work that we all shared during the hot New Haven summer and, for me, some concern at Henry's apparent ability to survive the long, busy hours on iced tea alone. It soon became apparent that in addition to being endowed with a lively intelligence, wide-ranging interests, and undeniable charm, Henry was a man of decision and action. Within one month, we were engaged, and after Dr Grover Power's blessing had