i would single out bill stevens, william stevens, who was a safety engineer. he did some really pioneering work in trying to figure out how to make sure nuclear weapons won't detonate an abnormal environments, like a plane crash, a fire. if they are dropped. if there's a short circuit. bob, the vice president of the sandia national laboratory, who as i said earlier really risked his career for years for the chance of making weapons safer, and he would never build a nuclear weapon in the united states today without the mechanisms that these gentlemen thought for years ago. .. again and again, there is another nuclear weapons that could have been gotten very little attention, a very dangerous one at grand forks, north dakota were a b-52 bomber on fire four hydrogen bombs in eight short missiles that had thermonuclear warheads. the fire was being fed by the fuel pump. it was extraordinary that the retail force winds blowing things away from the few spots of the bomber so that the weapons were again endangered, that they realized the heat was beginning to blister