The sailor in the center of the photograph is my great grandfather Charles Whitehead. In 1915 he was living at 6 Denmark Street, Thornaby-On-Tees. From 1915 to 1919 he served as a stoker on the battleship HMS Iron Duke. He was at the Battle of Jutland on 31 May/1 June 1916. The other sailors are George whitehead (no relation), right and Paddy Roy ?, left.
Photograph and details courtesy of Martin Dunnill.