About John Callaghan
Lived 1923 – 2004 (aged 80). John Callaghan was a Canadian surgeon.
John Carter Callaghan, (October 1, 1923 – April 6, 2004) was a Canadian cardiac surgeon who "pioneered open-heart surgery in Alberta"
Born in Hamilton, Ontario on October 1, 1923, he received his medical degree from the University of Toronto in 1946. In 1955, he joined the Division of Cardiovascular and Thoracic Surgery at the University of Alberta Hospital and performed Canada's first successful open heart surgery.
In 1985, he was made an Officer of the Order of Canada. In 1986, he was inducted into the Alberta Order of Excellence.
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Important facts
People in John Callaghan's life
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Contemporaries
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Frequently asked questions
Who was John Callaghan?
Canadian cardiac surgeon (1923-2004)
When was John Callaghan born?
John Callaghan was born on 1 October 1923 in Hamilton.
When did John Callaghan die?
John Callaghan died on 6 April 2004.
What was John Callaghan's occupation?
John Callaghan was a surgeon.
What nationality was John Callaghan?
John Callaghan was Canadian.
Sources & further reading
· DBpedia: John Callaghan (physician)
Cite this page
APA: Biography.guide. (2026). John Callaghan. https://biography.guide/john-callaghan-surgeon/
MLA: "John Callaghan." Biography.guide, https://biography.guide/john-callaghan-surgeon/.
Chicago: "John Callaghan." Biography.guide. https://biography.guide/john-callaghan-surgeon/.
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