When he wassailing on Middle Harbour on the Monday of the Australia Day long weekend in 1963, teenager Denis Byrne never imagined that, just hours later, he would be involved in one of the most horrific episodes in Sydney history.
Denis was 15 years old and had just come ashore when there was a commotion at Castlecrag Boatshed. Word went out that a woman had been viciously attacked by a shark and was
