2. Thomas Midgley, Jr. was an American engineer and chemist who was left severely disabled after contracting polio at age 51.
He created a system of strings and pulleys to help others lift him from bed. He died of strangulation aged 55 when he became accidentally entangled in the ropes of his device.
7. Lawyer Clement Vallandingham died in 1871 after accidentally shooting himself in the head with a pistol.
Vallandingham was defending a client on murder charges, by proving that the victim could have shot himself with his own pistol. In re-enacting the process, Vallandingham shot himself by mistake.
10. In 1989, convicted murderer Michael Godwin had his sentence reduced to life imprisonment after five years awaiting the electric chair.
But he was then electrocuted accidentally while sitting naked on a steel toilet seat in his cell in Columbia, SC. While trying to fix his television set, he bit into a wire and was electrocuted.