The family lived in East Kildonan, one of the oldest areas of Winnipeg, dating back to the Selkirk Settlers.
[3] His brother Barrie earned a Ph.D. in plant science at The University of Minnesota and worked his entire career with the Winnipeg Research Centre of Agriculture Canada.
In 1963, he was on a volunteer committee of the Canadian Bar Association which assisted the Manitoba government in preparing a new Companies Act.
Two other volunteers on the committee were Brian Dickson, who went on to be Chief Justice of Canada, and Irwin Dorfman who, like Campbell, would serve as national president of the Canadian Bar Association.
"[9] All ten provinces subsequently passed similar legislation, authorising performance audits by the provincial auditors.
[10] The principles set out by the committee also proved very influential in other Commonwealth countries using the Westminster model of responsible government.
He was also the chairman of The University of Manitoba's Centennial Campaign, which included the construction of the Max Bell Centre.
Campbell was also involved with the Anglican Church in Winnipeg, serving as the Registrar of the Diocese of Rupert's Land.
He also served as charter member of the Advisory Council for the Saint John's College Capital Campaign, and as chair of the special gifts committee.
He enjoyed the practice of law and the fellowship of both the legal profession and the many friends he made through his belief in community involvement.In 1985, Campbell was named an officer of the Order of Canada.
His citation mentioned his work on the Wilson Committee, "the report of which is considered a landmark study in Canada and abroad," as well as his service as President of the Canadian Bar Association and his work for the Society for Crippled Children and Adults of Manitoba and the Canadian Rehabilitation Council for the Disabled.