“You’d assume after Harry Daghlian’s demise 9 months earlier, with the identical plutonium core, that Louis Slotin would have been doing the whole lot to not have a repeat of the accident that killed his colleague in such a horrific means.”
Harry Daghlian and Louis Slotin have been each physicists who labored on the plutonium orb (later to be labeled “demon core” as a result of their deaths) and suffered “agonizing deaths” after making slips of the hand whereas engaged on the orb at Los Alamos Laboratory in New Mexico. Slotin made a mistake 9 months after Daghlian’s deadly slip. You possibly can learn the total story right here.