View a list of Spheres of Influence
The following achievements are associated with this Sphere of Influence:
Establishing fundamental principles in aircraft design
Frank Barnwell's approach to aircraft design established principles that are as valid today as they were when he first conceived them during the First World War.
Establishing the Royal Air Force
David Henderson, Father of the Royal Air Force, is one of the most under-estimated British soldiers of the World War 1914-1918. He made fundamental contributions in two areas - military intelligence and military aviation.