Sydney MacGillvary Brown (10 August 1895 – 7 April 1952) was an American World War I flying ace, who later became an author and professor of medieval history.
Author: Air Service, United States Army Source: Air Service, United States Army photograph via Franks (1992) Over the Front: A Complete Record of the Fighter Aces and Units of the United States and French Air Services, 1914-1918 , Grub Street the Basement; First edition (May 1992), ISBN 0948817542 License: PD US PD US Air Force