[3][4] In 1937, he transferred to the British Royal Air Force (RAF) on a Short Service Commission and moved to England.

As he parachuted out of the stricken bomber, Grey-Smith was hit by the tailplane and received severe head injuries,[4] but landed safely.

[6] He formed the Perth Group in the late 1950s with fellow artists Robert Juniper Brian McKay, Tom Gibbons and Maurice Stubbs.

[1] Grey-Smith was influenced by Cézanne, English constructionist painters, Nicolas de Staël[8] and the Western Australian landscape.

[1] He travelled throughout the state, including the Kimberley, Pilbara, Goldfields and South West regions, drawing and making notes in order to produce larger works back in his studio.

[10] According to art collector Max Grunberg, Grey-Smith paintings sold at a large auction during the 1990s for $18,000 to $20,000 would now sell for at least $40,000 to $45,000.