[1] He was 24 years old, and a corporal in the 6th Battalion, The Yorkshire Regiment (Alexandra, Princess of Wales's Own), British Army when he was awarded the VC for actions on 9 October 1917 at the Battle of Poelcappelle, Belgium which led to his death.

For most conspicuous bravery when an advance was being checked by intense machine-gun fire from concrete blockhouses and by snipers in ruined buildings.

This non-commissioned officer then again went forward encouraging and cheering the men, and succeeded in rushing several snipers' posts.

His magnificent courage and self-sacrifice was of the greatest value and relieved what was undoubtedly a very critical situation.Clamp is commemorated on the Tyne Cot Memorial.

[1] His Victoria Cross is displayed at the Green Howards Museum, Richmond, North Yorkshire, England.