Commemorated at Memorial Name Corndale Rifle Club First World War Honor Roll (Destroyed) Given name OG Family name Clark Gender Male Service number 21326 Conflicts First World War, 1914–18 Additional information Last held rank Gunner Unit at embarkation 12th Field Artillery Brigade Service Australian Army - First Australian Imperial Force (1st AIF) Do you know more about this war Veteran? Click here to learn how you can contribute