Definition: The term "Walter Hagen" is often used to refer to Walter J. Hagen, a Canadian politician who served as the Leader of the Progressive Conservative Party of Canada from 1983 to 1995. Walter J. Hagen was born on February 20, 1917 in Hamilton, Ontario. He is married with two children and has three grandchildren. His parents were Walter P. and Mary L. Hagen. He began his political career in the province of Ontario. He served as a provincial cabinet minister from 1965 to 1968, when he was appointed as Minister of Agriculture and Food for Canada. He then moved on to serve as Chief Justice of Canada from 1972 until 1976. In 1976, Hagen ran in the Liberal leadership contest against Prime Minister Brian Mulroney. However, he lost to Mulroney. After his defeat, he returned to politics and served as Leader of the Progressive Conservatives from 1983 to 1995. Throughout his career, Hagen has been known for his strong opposition to government policies and his support for minority governments in Parliament. He was a vocal critic of Bill C-37, or the "Sword and Shield" Act, which would have introduced mandatory military service for youth under the age of 18, which he opposed. In addition to his political career, Hagen has also been involved in charitable works. He was appointed a member of the Order of Canada in 2003 for his contributions to social causes and public service.