In January 1929, Wop May and Vic Horner flew diphtheria antitoxin 700 miles to Fort Vermilion, Alberta in brutal cold, completing in two days what would have taken dogsled teams three weeks.
How Wilfrid 'Wop' May survived being chased by the Red Baron in 1918 and went on to complete a life-saving mercy flight through the Canadian wilderness in 1929.