"... Dr. Libby, one of the chief governmental nuclear authorities in the U.S., who boasted that he had discovered how to make 'clean' bombs and that his research towards this end had been dictated by humanitarian motives. I said 'then I suppose you have told the Russians about it?' He replied, with horror, 'no, that would be illegal!' Was I to conclude that it was only Russian lives that he wished to spare, not American?" (Re B&R D58.03)