Sam Cohen, Father of the Neutron Bomb Sam Cohen designed the neutron bomb to produce a minimum of explosive blast and a maximum of radiation. « On a surface level, I’ve rationalized my fascination with nuclear weapons by saying it’s important for the security of my county, and so there are no qualms to be had. If I went down another level in my psyche, I wouldn’t know what to say-I’ve done it because I wanted to. »