Captain John Stevenson Stubbs DFC AFC was an English First World War flying ace credited with 11 official victories.
 He was a pioneering bomber pilot who was the war's leading ace for the British Airco DH.9.
 He also carried off the rather unusual feat of destroying an enemy observation balloon with a bomber.
Major William John Charles Kennedy-Cochran-Patrick DSO, MC & Bar (25 May 1896 – 26 September 1933) was a First World War flying ace, credited with 21 aerial victories.
 He was the leading ace flying the Spad VII fighter, and of No. 23 Squadron.
 He later flew aerial surveys on three continents.
William Gordon Claxton DSO, DFC & Bar (June 1, 1899 – September 28, 1967) was a Canadian World War I flying ace credited with 37 victories.
 He became the leading ace in his squadron.
Lieutenant Merrill Samuel Taylor was a Canadian flying ace during World War I.
 He was credited with seven aerial victories while flying a Sopwith Camel fighter for the Royal Naval Air Service, and later, the Royal Air Force.
 He touched off the air battle that resulted in the death of the war's leading ace, Manfred von Richthofen, on 21 April 1918.
 On 2 May 1918, he killed German ace Hans Weiss for his fifth victory.
 Taylor was killed in action by Franz Büchner on 7 July 1918.
The Sopwith Camel was a British First World War single-seat biplane fighter aircraft introduced on the Western Front in 1917.
 It was developed by the Sopwith Aviation Company as a successor to the earlier Sopwith Pup and became one of the most iconic fighter aircraft of the First World War.
Glenn Todd Eagleston (March 12, 1921 – May 7, 1991) was a career officer in the United States Air Force and the leading ace of Ninth Air Force in World War II in Europe.
 Eagleston was credited with 18 1/2 victories, two probable victories, and seven damaged German aircraft.
Herschel "Herky" Green (July 3, 1920 – August 16, 2006) was a World War II flying ace in the United States Army Air Forces.
 Green was the leading ace of the Fifteenth Air Force, shooting down 18 enemy aircraft and destroying 10 more on the ground.
Wing Commander Edwin Swale {'1': ", '2': ", '3': ", '4': "} (28 June 1899 – 19 July 1978) was an English First World War flying ace credited with 17 aerial victories.
 His victory list is notable because he scored 14 of his 17 wins against the premier German fighter of the war, the Fokker D.VII, and became the leading Sopwith Camel ace of No. 210 Squadron RAF.
Ira Cassius Kepford (May 29, 1919 – January 19, 1987) was a World War II flying ace who served with a land-based unit of the United States Navy.
 In 76 days of combat flying with the VF-17 "Jolly Rogers," he was credited with shooting down 16 enemy aircraft.
 At the close of his combat service in April 1944, Kepford was the Navy's leading ace.
Captain Douglas John Bell {'1': ", '2': ", '3': ", '4': "} (16 September 1893 – 27 May 1918) was a South African World War I fighter ace credited with 20 aerial victories.
 He was one of the first fighter pilots to successfully engage an enemy multi-engine bomber.
 He became the leading ace of the nine in No. 3 Squadron RAF.

Question: Edwin Swale was the leading ace of an aircraft developed by who? 
Answer: Sopwith Aviation Company