Question: Louis Alexander Slotin, was a Canadian physicist and chemist who worked on the Manhattan Project, Slotin was the second person to die from a criticality accident, following the death of Harry Daghlian, who had been exposed to what?
Sentence (from "Louis Slotin"): Louis Alexander Slotin (1 December 1910 – 30 May 1946) was a Canadian physicist and chemist who worked on the Manhattan Project.
Relevant evidence: No