Eunice Chapin Laughlin died peacefully of natural causes at her home in Scarsdale, NY, on September 26, 2017. As the widow of John Laughlin, she was determined to preserve his memory and was a frequent guest at AAPM Annual Meetings and the friend of many members. She was a tireless traveler and a spirited conversationalist. All who knew Eunice valued her as a friend. The family has requested that any donations be sent to the John S. Laughlin Research Fund at Memorial Sloan Kettering.