Career
Joseph joined the Royal Naval Air Service in August 1917. He trained as a pilot, receiving Royal Aeronautical Club Aviator"s Certificate Number. 5475 on a Caudron biplane at the British Flying School at Vendôme, France, on 7 October, and was commissioned as a temporary flight sub-lieutenant on 2 December.
He was first assigned to Number.
12 Squadron Royal Naval Air Service, but was transferred to Number. 10 Squadron Royal Naval Air Service in February 1918 as a Sopwith Camel pilot.
He scored his first aerial victory on 7 May 1918, and continued to string out a dozen wins stretching through 3 September 1918. He teamed up to share victories with such fellow aces as Alfred Williams Carter and Clement West. Payton in several cases.
On 10 August he was appointed a flight commander, with its accompanying temporary promotion to captain.
On 21 September, he was awarded the. Three days later, he was wounded in action. Three days later, he was granted a Bar to his Distinguished Flying Cross in lieu of a second award.
In the final analysis, Joseph had destroyed five enemy aircraft by himself, shared in destroying two others, drove three down out of control, and teamed up to drive another one down out of combat.
He also was a balloon buster, being one of three pilots responsible for destroying a German observation balloon. On 4 April 1919, Joseph was transferred to the Royal Air Force"s unemployed list.
Joseph returned to Birmingham to pursue a career in the engineering sector. In early 1939 Simpson bought the assets of the bankrupt New Imperial Motors motorcycle company, which become part of his Clifford Aeronautical & Auto Limited. group, and produced components for Lancaster and Spitfire aircraft during the war.
Post war, under the name of Clifford Cultivators Limited., he produced rotary cultivators from 1946 to 1959, as well as hand and power pumps, electric washing machines, and fork lift trucks, while his company Clifford Covering Limited. manufactured steering wheels.
Clifford Aeronautical & Auto was wound up in 1976.