you know, can we blame them? oppenheimer: we were all aware of the fact that, in one way or another, we were intervening explicitly and heavy-handedly in the course of human history. carr: by the time the laboratory was established, oppenheimer was a family man. he was married. he had a little boy. during his tenure as director at the laboratory, he had a little girl as well. bird: the summer of 1939, he was at a cocktail party in berkeley, and a young woman named kitty puening had spied him from across the garden and was immediately attracted to him. she was a firecracker (laughs) of a young woman. they fell in love, and by 1940,