Basic Details Surname Mason Forenames D W Gender Male Information stated on memorial Alternative forename Dennis William War Second World War (1939-1945) Served or died Died Notes Service and death details are sourced from The Old Birkonians website (see References) which also contains a short biography of this man. Primary Service Our References Service (Primary - Our reference) Royal Air Force/ Royal Flying Corps Rank / Title (Primary - Our reference) Pilot Officer Death and Burial details Year of death 1941 Month of death September Day of death 10 Age at death 23 Manner of death reference Killed in Action