August 26, 1945. Los Alamos National Laboratory, New Mexico. Twenty four year old Harry Daghlian is working late, and alone. Both are violations of safety protocol, but Harry doesn’t care. He’s good at his job, and he’s careful. He doesn’t have to be working this late, six days ago the Japanese surrendered, and the war is over. But, that doesn’t mean his work isn’t still important. The bombs he helped build won the war, and he’s going to keep making them as long as he can. This night, Harry is working on placing the final tungsten bricks in a neutron...