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) R.H.A. Rank / Title (Primary - Stated) Lt. Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) Royal Horse Artillery Rank / Title (Primary - Our reference) Lieutenant Death and Burial details Country of death France Town of death Richebourg L'Avoue Country of burial France Town of burial Bethune Cemetery Bethune Town Cemetery Year of death 1915 Month of death May Day of death 16 Age at death 22 Manner of death as stated Killed in action Manner of death reference Killed in Action