Back on April 16, 2015, the New York Times Book review did a “By the Book” segment with Freeman Dyson. In the interview, he was asked what his ideal literary dinner party would be, and he included NYU’s Joan Connelly and me in his guest list (which also included Mary Russell). Well, this weekend in Princeton, Joan and I managed to have two thirds of this party together with Professor Dyson and his wonderful wife Imme and two other renowned historians from the...