Basic Details Surname Heath-Caldwell Forenames Martin Frederick Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Primary Service As stated on memorial Unit (Primary - Stated) RHA Sub-unit (Primary - Stated) Chestnut Troop Rank / Title (Primary - Stated) 2nd Lieutenant Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) Royal Horse Artillery Rank / Title (Primary - Our reference) Second Lieutenant Death and Burial details Country of death France Town of death Richebourg Wood Country of burial France Town of burial Bethne Cemetery Bethune Town Cemetery Year of death 1915 Month of death May Day of death 16 Age at death 21 Manner of death as stated Killed in action Manner of death reference Killed in Action