The venerable Donald Grant Devine ( born Donald Grant Devine , born July 5, 1944 , Regina , Saskatchewan ) is a Canadian politician . Prime Minister of Saskatchewan from May 8, 1982 to November 1, 1991 .
Born in Regine , he received a bachelor of science in agriculture in 1967 from the University of Saskatchewan , a master of science from the University of Alberta in 1969, a master of business administration from the University of Alberta in 1970, and a Ph.D. in agriculture from Ohio State University in 1976.
As a farmer, teacher, and agricultural specialist, before becoming a politician, Devine taught in the 1970s at the University of Saskatchewan .