This passage is intriguing, does anyone have the full story of how they came to make the discovery?: "Last year’s big surprise in Prisoner’s Dilemma research c

This passage is intriguing, does anyone have the full story of how they came to make the discovery?: "Last year’s big surprise in Prisoner’s Dilemma research came from two distinguished polymaths. William H. Press . . . [and] . . . Freeman J. Dyson . . . The story of how Press and Dyson came to make their discovery is almost as interesting as the result itself, but I have room here only for the latter."