William Edward Arnold-Forster, born on May 8th 1886, was an artist, author and Labour politician. His first wife was Katherine Laird Cox, who he married in 1918, and his second was Ruth Mallory, widow of George Mallory the mountaineer. He died on the 8th October 1951.
William joined the Royal Naval Volunteer Reserve on 21st December 1914, and was attached to the Trade Division of the Admiralty, where he worked on Contraband and the Blockade. He was promoted to Lieutenant on 29th December 1914, and Lieutenant Commander on 4th June 1916.
He spent 1919 serving at the Paris Peace Conference and then writing the Navy’s internal history of the Blockade. He was demobbed on 10th December 1919.