Harry K. Daghlian was a scientist who worked on the Manhattan Project at Los Alamos.
Biography[]
Background information[]
When he was 26 years old, he accidentally irradiated himself while performing a critical mass experiment on two half-spheres of Plutonium. He worked for the next month to figure out what happened to him so that others could learn from the tragedy before he died of radiation poisoning. (SGA: "Trinity")