Harry Louis MATHER [c.1883-????]

Harry Louis Mather appears in the John Black's list of Stanley Camp internees here Married to Maud Minnie Mather as noted at: https://www.chinafamilies.net/internees/8893-mather-maud-minnie/

He was a retired marine engineer and appears to have worked for the China Navigation Co. Ltd. 

Sources

1. https://www.chinafamilies.net/internees/8892-mather-harry-louis/

2. The Comacrib Directory of China 1925. See here

3. Harry Mather's name/signature appears in red at bottom left of the "Day Joyce Sheet" held by the Imperial War Museum.

See: https://www.iwm.org.uk/collections/item/object/30083388. An explanation of the "Day Joyce Sheet" is given at: https://gwulo.com/media/46458