
Lieutenant General Robert Stephenson Smyth Baden-Powell, 1st Baron Baden-Powell,, was a British Army officer, writer, founder and first Chief Scout of the world-wide Scout Movement, and founder, with his sister Agnes, of the world-wide Girl Guide / Girl Scout Movement. Baden-Powell authored the first editions of the seminal work Scouting for Boys, which was an inspiration for the Scout Movement.

General Sir James Frederick Noel Birch was a British Royal Artillery officer during the Second Boer War and World War I and subsequently Master-General of the Ordnance. The Birch gun was named after him.

Prince Christian Victor Albert Louis Ernst Anton of Schleswig-Holstein was a member of the British royal family. He was the eldest son of Princess Helena, third daughter of Queen Victoria.

Prince Henry of Battenberg was a morganatic descendant of the Grand Ducal House of Hesse. He became a member of the British royal family by marriage to Queen Victoria's youngest child, Princess Beatrice of the United Kingdom. Through his daughter, Princess Victoria Eugenie of Battenberg, who became the Queen of Spain by marriage, Henry is a direct ancestor of current members of the Spanish royal family.

Colonel Conwyn Mansel-Jones was an English British Army officer. He was a recipient of the Victoria Cross, the highest and most prestigious award for gallantry in the face of the enemy that can be awarded to British and Commonwealth forces.

Lieutenant-General Sir James Wolfe Murray was a British Army officer who served in the Fourth Anglo-Ashanti War, Second Boer War and First World War. He became Chief of the Imperial General Staff three months after the start of the First World War, but was ineffectual and was replaced in September 1915 following the failure of the Dardanelles campaign.

Lieutenant General Sir Frederick William Stopford was a British Army officer, best remembered for commanding the landing at Suvla Bay in August 1915, during the Gallipoli Campaign.

Major Arthur John Newman Tremearne was a British barrister, major, anthropologist and ethnographer.