John David D'Amico (September 21, 1937 – May 29, 2005) was a Canadian National Hockey League (NHL) linesman and later supervisor of officials.
In response, D'Amico arrived at Maple Leaf Gardens and finished the game, marking his final on-ice performance as an NHL linesman.
[2] His health problems started in September 2002 when he suffered a heart attack and underwent bypass surgery.
Tests following surgery indicated blood abnormalities and a diagnosis of aplastic anemia, which resulted in gallstone problems.
[3] Just before his death, D'Amico made news headlines across Canada when he spoke out about the poor quality of the country's health care system.