Paul Gallagher, loveable 2 year old British boy killed by a boat propeller while his parents were on holiday in Bermuda. He was sleeping on the beach in a chair when an out of control boat ran over him.
Aspects of the Propeller Safety Debate chart
Houseboat Propeller Regulation Proposed and Withdrawn by USCG: Analysis by PGIC
History of Boat Propeller Safety
Mitigating Boat Propeller Injuries & Fatalities Chart