Harold Sidney Bowler was born in Hazlemere, England, in July 1885. Prior to the war he was living in Vancouver, British Columbia, but attested in Le Treport, France, in May 1915. Bowler served with the Canadian Army Medical Corps in France until he was invalided back to Canada in late 1917 due to illness. The collection currently consists of his paybook, postcards, and a large collection of photographs.