Basic Details Surname Slack Forenames Arthur William Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Service number 201929 Primary Service Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) The Northumberland Fusiliers Rank / Title (Primary - Our reference) Private Death and Burial details Cemetery Tyne Cot Memorial Year of death 1917 Month of death October Day of death 28 Age at death 24 Manner of death as stated Died in action Manner of death reference Killed in Action