Brigadier-General Walter Buckingham Caddell (22 September 1879 – 20 April 1944) was a

Royal Artillery The Royal Regiment of Artillery, commonly referred to as the Royal Artillery (RA) and colloquially known as "The Gunners", is one of two regiments that make up the artillery arm of the British Army. The Royal Regiment of Artillery comprises t ...

Royal Flying Corps The Royal Flying Corps (RFC) was the air arm of the British Army before and during the First World War until it merged with the Royal Naval Air Service on 1 April 1918 to form the Royal Air Force. During the early part of the war, the RFC sup ...

and

Royal Air Force The Royal Air Force (RAF) is the Air force, air and space force of the United Kingdom, British Overseas Territories and Crown Dependencies. It was formed towards the end of the World War I, First World War on 1 April 1918, on the merger of t ...

officer who served in a number of senior military aviation appointments during

World War I World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a World war, global conflict between two coalitions: the Allies of World War I, Allies (or Entente) and the Central Powers. Fighting to ...

. Born on 22 September 1879, the son of Lieutenant-Colonel Henry Caddell and his wife Anna Matilda (née Persse), Walter Caddell was to grow up in a large family being the fourth child amongst nine children. He was commissioned a Second lieutenant in the

Royal Garrison Artillery The Royal Garrison Artillery (RGA) was formed in 1899 as a distinct arm of the British Army's Royal Artillery, Royal Regiment of Artillery serving alongside the other two arms of the Regiment, the Royal Field Artillery (RFA) and the Royal Horse ...

on 26 May 1900, and promoted to the rank of

Lieutenant A lieutenant ( , ; abbreviated Lt., Lt, LT, Lieut and similar) is a Junior officer, junior commissioned officer rank in the armed forces of many nations, as well as fire services, emergency medical services, Security agency, security services ...

on 29 March 1902. In March 1916 Caddell was appointed Deputy Assistant Director of Military Aeronautics at the War Office in London. He effectively served as the chief assistant to Brigadier-General Duncan MacInnes, the Director of Aircraft Equipment. It was in that capacity that he was introduced to

George Constantinescu George "Gogu" Constantinescu (; last name also Constantinesco; 4 October 1881 – 11 December 1965) was a Romanian scientist, engineer, and inventor. During his career, he registered over 130 inventions. Constantinescu was the creator of the ' ...

who had developed an experimental

synchronization gear A synchronization gear (also known as a gun synchronizer or interrupter gear) was a device enabling a single-engine tractor configuration aircraft to fire its forward-firing armament through the arc of its spinning Propeller (aeronautics), propel ...

. With support from the Military Aeronautics Directorate, Constantinescu's synchronization gear was improved and deployed on aircraft in France.

Archibald Low Archibald Montgomery Low (17 October 1888 – 13 September 1956) developed the first powered drone aircraft. He was an English consulting engineer, research physicist and inventor, and author of more than 40 books. Low has been called the "f ...

and the RFC Experimental Works, Feltham were under his command. In April 1917 Caddell took over from an overworked and exhausted MacInnes as Director of Aircraft Equipment. He retired from the RAF on 28 May 1919 with the honorary rank of brigadier-general.

References

, - {{DEFAULTSORT:Caddell, Walter 1879 births 1944 deaths Royal Garrison Artillery officers Royal Flying Corps officers Royal Air Force generals of World War I