Craig was born in Banchory, Scotland.  He completed a B.Sc. degree in General Science at St. Andrew’s University in 1954.  He completed a D.V.M. with first class honours at the University of Guelph in 1964, a M.Sc. at the University of Connecticut in 1967, and a Ph.D. in veterinary pathology at the Western College of Veterinary Medicine at the University of Saskatchewan in 1976.

He spent a year in large animal practice in Acme, Alberta, and several months in veterinary diagnostic laboratories in Ontario before joining Peel’s Poultry, a major poultry breeding company based in Port Perry, Ontario.

Craig accepted a faculty appointment at the Western College of Veterinary Medicine in 1969, a position he held for 30 years.  His responsibilities included teaching veterinary and agriculture students, research on poultry metabolic diseases, and diagnostic, and extension work for the poultry industry.  He supervised seven postgraduate veterinary students and was involved in writing sixty-nine papers on poultry disease in refereed scientific journals.  He received awards for two of these papers.

During his tenure at W.C.V.M. Craig was granted four sabbatical leaves.  At Houghton Poultry Research Station in England he conducted research on poultry vaccination, at the University of Georgia, U.S.A., he wrote a book on Avian Histopathology, at the Victorian Institute of Animal Science in Victoria, Australia, he did diagnostic work and research on poultry bone diseases, and at the veterinary diagnostic laboratory in San Bernadino, California, he did research on poultry liver disease.  During his academic career Craig was a member of the American Association of Avian Pathologists, served on the association’s editorial board and was president 1985-1986.

Craig married Pat in 1959 and they have two daughters.  Morag teaches in Saskatchewan and Cara, husband Chris and son Keiran, live and work in British Columbia.  Craig loves long distance hikes and over the course of four trips walked the length and breadth of Great Britain.  He has also done extensive hiking in the Rockies.  Craig and Pat live on an acreage near Saskatoon, Saskatchewan, and have enjoyed working with border collies and sheep.