Basic Details Surname Clark Forenames John William Gender Male Information stated on memorial War First World War (1914-1918) Served or died Died Notes Hornshaw and Fowler provide the extra details. He died of gas gangrene at a casualty clearing station and this was the only Calderdale memorial they found him commemorated on. Primary Service As stated on memorial Service (Primary - Stated) Not Stated on the Memorial Unit (Primary - Stated) Not Stated on the Memorial Rank / Title (Primary - Stated) Not Stated on the Memorial Our References Service (Primary - Our reference) British Army Unit (Primary - Our reference) The Royal Fusiliers (City of London Regiment) Rank / Title (Primary - Our reference) Private Death and Burial details Country of death France Town of death Somme Year of death 1916 Month of death October Day of death 15 Age at death 20 Manner of death as stated Not Stated on the Memorial Manner of death reference Died of Wounds