Watson had moved to Cambridge for the love of a photograph. The very first day that he landed in Cambridge, he fell in love again—with a man named Francis Crick, another student in Perutz’s lab. It was not an erotic love, but a love of shared madness, of conversations that were electric and boundless, of ambitions that ran beyond realities.3 “A youthful arrogance, a ruthlessness, and an impatience with sloppy thinking came naturally to both of us,” Crick would later write.
