He became prominent in the Toronto area in the 1970s as a critic of Gay rights and as a pro-life advocate, founding Renaissance Canada in 1974 to promote his views, particularly in education.

"[3] While being interviewed by the media during the rally, Campbell stated, "when a group advocates the molestation of children one has to question the social constructive nature of the whole cause they represent.

"[4] In 1980, Campbell published a book, No Small Stir: A Spiritual Strategy for Salting and Saving a Secular Society, with a forward from Jerry Falwell.

In 1984, following the acquittal of Henry Morgentaler, he founded a group called Choose Life Canada which picketed abortion clinics in Toronto and other Ontario cities.

He campaigned as a fringe candidate for Mayor of Toronto the following year, but urged voters to support June Rowlands rather than himself to prevent Jack Layton from winning.

[10] Predeceased by his wife Norma, who died in January 2006, Ken Campbell succumbed to cancer on August 28, 2006, aged 72, while receiving palliative care in a Delta, British Columbia hospital.