Patrick Duncan McTaggart-Cowan, OC MBE (May 31, 1912 – October 11, 1997) was a Canadian meteorologist and the first president of Simon Fraser University. Born in Edinburgh, Scotland, he moved to North Vancouver, British Columbia, Canada with his family in 1913. He received a degree in Mathematics and Physics from the University of British Columbia in 1933. A Rhodes Scholar, he received a Bachelor of Arts in Natural Science from Corpus Christi College, Oxford in 1936. In 1939, he married Margaret Palmer and they had two children: Gillian and James Duncan.