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Andy Russell
Andrew G. A. Russell, was a Canadian wilderness guide, outfitter, author, photographer, filmmaker, rancher, conservationist, and environmentalist. In recognition of his environmental advocacy he received honorary degrees from the University of Lethbridge, the University of Calgary, and the University of Alberta. In 1976, he received the Julian T. Crandall Award for his efforts in conservation, and in 1977 he was presented with the Order of Canada by the Governor General of Canada.
Excerpt from Wikipedia, available under CC BY-SA 4.0.
Books

Memoirs of a Mountain Man
1984
ISBN 9780771598111
Grizzly Country
1986
ISBN 9780941130127
Great Bear Adventures
1994
ISBN 9780896580787