Career
Colston served as a Captain in the 155st Field Artillery Brigade, 80th Division, American Expeditionary Forces during World War I. He died near Verdun, France eight days after the war ended. His is buried at the American Cemetery at Romagne-sous-Montfaucon, Lorraine, France. Colston reached the semifinals of the United States. National Championships in 1910.
Grand Slam tournament performance timeline.