Certainly not with children his own age. he's had no experience. alex wellerstein: the real core psychological moment for oppenheimer appears to have been when he was in college. and he goes to study physics at cambridge, and he doesn't do very well. he ends up in a laboratory that's really about experimental physics, and he is not good at that. he doesn't really know how to d an experiment with his hands. and he has this sort of crisis of confidence. bird: this came to a head when he had a... what i think can only be described as a nervous breakdown. one of his friends stumbled upon him in an...