Reuben entered the war in France on 22nd August 1914, as part of the Regimental Medical Officer's team for the 1st Bn. Hampshire Regiment. His name appears on a list of R.A.M.C. personnel who were taken captive up to & including 31st December 1914. His address is given as Great Yard, Tudings Hill, Holstead, Essex - (kindly provided by Steve Mattocks).