Education
Gathorne-Hardy was educated at Eton and the Royal Military College, Sandhurst.
Gathorne-Hardy was educated at Eton and the Royal Military College, Sandhurst.
He joined the British Army as a commissioned second lieutenant in the Grenadier Guards on 10 October 1894, and was promoted to lieutenant on 1 January 1898. In early February 1900 he was seconded for special service in South Africa, where he was involved with Army transport duties during the Second Boer War. He was promoted to Captain on 2 May 1900, and later brevet major.
He served as a General Staff Officer in the First World War.
After commands as a General in Egypt and India, he was Commander in Chief at Northern Command from 1931 to 1933 and at Aldershot Command from 1933 to 1937. Gathorne-Hardy married Lady Isobel Constance Mary Stanley, daughter of Frederick Arthur Stanley, 16th Earl of Derby and Lady Constance Villiers, on 10 December 1898.