Basic Details Surname Chalmers Forenames John M Gender Male Information stated on memorial War First World War (1914-1918) Served or died Served Primary Service As stated on memorial Service (Primary - Stated) Commonwealth Unit (Primary - Stated) Penang Volters Rank / Title (Primary - Stated) Stf/Sgt Our References Service (Primary - Our reference) Commonwealth Armed Forces Rank / Title (Primary - Our reference) Staff Sergeant