Royal Scots Fusiliers.

Awarded the Distinguished Conduct Medal in the London Gazette of 26 September 1916.

Awarded the Military Medal in the London Gazette of 13 March 1919.

Knagg was a native of Burnley, Lancashire.

The citation for the Distinguished Conduct Medal published in the London Gazette reads, "For conspicuous gallantry during operations. When a party of his company were being bombed from both flanks, he held the enemy off with bombs with the greatest pluck, long enough to enable most of the party to get away. When he had thrown his last bomb he jumped out and managed to get back". Died of Wounds 12 April 1918.