Captain William John Mason
8 Battalion, Gloucestershire Regiment
Captain Mason, a scientist, graduated with first class honours from London University and was a lecturer at Bristol University before the outbreak of war in 1914.
He enlisted as a private initially in the Civil Service Rifles and subsequently with the Bristol University Officer Training Corps.
Captain Mason received his commission in November 1914 and joined the Gloucestershire Regiment.
He was promoted to captain in January 1916 and was killed in action, aged 27, at La Boisselle on 23 July 1916, during the Battle of the Somme. He is commmemorated on the Thiepval Memorial.
Faces of the First World War
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This image is from IWM Collections.