Spy for No Country

At 18 years of age, Theodore Hall was the youngest physicist on the Manhattan Project, hired as a junior at Harvard and put to work at Los Alamos in 1944. Assigned the job of testing and refining the complex implosion system for the plutonium bomb, Hall was described as “amazingly brilliant” by his superiors on the project, many of whom were Nobel Prize winners. But what Hall’s colleagues didn’t know was that the teenaged Hall was also the youngest spy taken on by the Soviet Union in search of s