Arthur Ernest Hagg (1888 – 21 January 1985[1]) was a British aircraft and boat designer.
He transferred to the de Havilland Aircraft company (Stag Lane) when it was created in 1920.
In this role he was responsible for the designs of the DH88 Comet racer and of the Albatross and the Express airliners.
[1] Hagg became interested in boat building and in early 1937 he resigned his position as director and chief designer at de Havilland to set up the Walton Yacht Works.
[3] In November of that year he also became a consultant with D Napier and Son, Ltd., overseeing Heston's design team for the Napier-Heston Racer, a wooden aircraft powered by a 2,450 horsepower (1,830 kW) Napier Sabre engine and designed to break the world airspeed record.