 Another notable individual associated with University is Sandford Fleming, an engineer who first proposed the use of a universal time standard and the former Chancellor of Queen's.Notable alumni in the field of science include Adolfo de Bold, who won the Gairdner Foundation Award for the discovery and isolation of atrial natriuretic peptide, and Shirley Tilghman, a microbiologist and former President of Princeton University.Notable politicians who were once Chancellor include Robert Borden, Prime Minister of Canada, Roland Michener, Governor General of Canada, and provincial premiers Peter Lougheed and Charles Avery Dunning.