How Did Helmuth Koinigg Die?

Watkins Glen, New York, U.S. Helmuth Koinigg (3 November 1948 – 6 October 1974) was an Austrian racing driver who died in a crash in the 1974 United States Grand Prix, in his second Grand Prix start.

How did Roger Williamson die?

Purley later stated he could hear Williamson's screams from underneath the car, but by the time the first fire engine arrived and the fire was extinguished, Williamson had died of asphyxiation.

What did James Hunt the racing driver died of?

A few hours later James Hunt had a massive heart attack and died at the age of 45. Among those shocked by his sudden passing was his old friend and rival Niki Lauda, who said: "For me, James was the most charismatic personality who's ever been in Formula One."