It's an October morning in 1924. My peers and I are at the Cavendish Laboratory, at the University of Cambridge, while we listen to our tutor Patrick Blackett explaining what kind of chemical experiment we will be conducting in the lab today. I glance towards my right side, over a young man in a lab coat, hunched over his table, already deeply engrossed in his work. I believe his name is J. Robert Oppenheimer, and he's American, but him and I never talked to each other before.