Background
He grew up near Orange and was educated at Burwood Public School in Sydney, then becoming a grocer"s assistant at Thornleigh.
He grew up near Orange and was educated at Burwood Public School in Sydney, then becoming a grocer"s assistant at Thornleigh.
He later became a customs officer at Shanghai in China in the middle 1920s. Gray returned to Australia around 1926 and moved to Queensland, becoming a farmer and organiser for the Douglas Cr Party. The raiders demanded lower unemployment and better conditions for primary producers from the government.
Gray and the others were arrested for unlawful assembly but were acquitted at the subsequent trial.
Later, he claimed to have been spying on the league for intelligence authorities. Gray was mobilised on 29 May 1940 and served in Queensland and Papua New Guinea.
In May 1942 he was commissioned in the Australian Imperial Force, and on 12 December 1944 he transferred to the Reserve of Officers as a captain. In 1946, the Grays moved to Toowoomba, where Gray managed Company-operative Sales and Service Company and joined the Australian Labor Party.
Having formed the Roseneath Pastoral Company in 1950 with two associates, he began dairy farming near Laidley.
Unfortunate weather and a fire in May 1951 that burnt Gray"s house down compromised the venture. In 1955 he became secretary of the Rockhampton Agricultural Society. In 1961, Gray was elected to the Australian House of Representatives as the Labor member for Capricornia.
In parliament he was chiefly concerned with northern development and defence.
He designed a combined tank and tank-carrier for the army, which received serious consideration.
On 4 August 1939 he was the leader of a raid comprising thirty-seven members of the League for Social Justice on Parliament House in the Queensland capital of Brisbane.