On 9 April 1918 near Bethune, France, owing to an enemy attack, communications were cut off and the wounded could not be evacuated.

[3][4] After his death in 1963 at the age of 86, he was buried at St Cuthbert's parish church in Churchtown, Southport.

The Territorial Army and Volunteer Reserve (TAVR) Centre 30 Pelham Drive, Bootle, Liverpool is named after Private Masters, VC.

[5] It was built to house what is now 238 SQN 156 TPT RLC(V) – 238 Squadron of 156 Transport Regiment Royal Logistic Corps (Volunteers).

[6] His Victoria Cross is displayed at the New Royal Logistic Corps Museum RHQ The RLC, Building 204, Worthy Down Barracks, Winchester.