[ Autograph ] William A. "Billy" Bishop 1894-1956 Canadian aviator ofWorld War 1, officially credited with bringing down 72 enemy aircraft S.P. 6.75in X 10in sepia on printed stock showing Bishop half length in uniform with biographical data beneath, signed in blue ink at bottom. The photograph is contained within the book The People k War Book and Pictorial Atlas of the World, 1920, containing an extensive history of the First World War. Fine condition.