Birthdate: December 1, 1910

Sun Sign: Sagittarius

Birthplace: Winnipeg, Canada

Died: May 30, 1946

While showing his colleagues how to work on a plutonium bomb, Canadian scientist Louis Slotin was exposed to a lethal radioactive dose that first caused him to vomit and then die 9 days later. He had, however, reportedly shielded his colleagues from maximum exposure, thus saving their lives.