Colin Boyd has provided the following:
Alexander was born on 23rd April 1896 and was working as a printer living with his parents at 15, Simpson Street, Sandyford, Newcastle upon Tyne when he enlisted in the Royal Naval Division on 7th September 1914. He joined the Nelson Battalion on 22nd October 1914 and was posted as missing assumed killed in action on 3rd May 1915 in Gallipoli.
Alexander Brown is remembered in Newcastle on NUT056 and NUT169