From left, Dr. Harold A. Hamman, Vic Horner, May and a policeman shake hands after may and Horner flew diphtheria serum to northern Alberta on January 3, 1929. (Denny May Collection)
From left, Dr. Harold A. Hamman, Vic Horner, May and a policeman shake hands after may and Horner flew diphtheria serum to northern Alberta on January 3, 1929. (Denny May Collection)