Leonard Monteagle Barlow was born on June 5, 1898 in London England and died while test flying a Sopwith Dolphin on February 5, 1918 at Martlesham Heath, England. He was credited with 20 victories during his short career.
A student of electrical engineering, Barlow joined the Royal Flying Corps in 1916. As an S.E.5 pilot, he was known for his resourcefulness. "The Gadget King" developed a method to fire his Vickers and Lewis machine guns simultaneously with a single trigger. On 25 September 1917, he attacked four German aircraft over the Houthulst Forest and shot down three of them in three minutes.