James Alpheus Glen DSC (23 June 1890 – 7 March 1962) was a Canadian First World War flying ace, officially credited with 15 victories.Four of these victories occurred in a Sopwith Pup he named "Mildred H." after his girlfriend at the time (he later married an American actress).
The Golden Age Air Museum in Bethel, Pennsylvania, has a flying reproduction of his Pup.