David Cass, 30 year old man from Minneapolis Minnesota. He was struck by a pontoon boat propeller on Lake Bell Taine on 26 June 2013 and died a few days later.
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Houseboat Propeller Regulation Proposed and Withdrawn by USCG: Analysis by PGIC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