Background
Knight was born in Sofala, New South Wales where his father had been a gold prospector.
Knight was born in Sofala, New South Wales where his father had been a gold prospector.
He was educated to elementary level at state schools near Sofala.
The Honorary He was the Minister for Labour and Industry and Social Welfare for 6 years during the premiership of William McKell. Early and Personal Knight returned to the western coal-fields of New South Wales in 1914 and worked as a miner until he was black-listed by the colliery owners because of his labour agitation in 1917. Attempts at working under an assumed name were unsuccessful but, in 1924, he was eventually employed in a state owned colliery in Lithgow, New South Wales.
He was an official of the Miners Federation holding the positions of president of the Western New South Wales division and vice-president of the national federation.
Knight was elected as an alderman of Lithgow Municipal Council between 1921 and 1928. When New South Wales reverted to single member electorates at the 1927 election, Knight gained Labor endorsement for the re-created seat of Hartley.
He was successful at the general election and held the seat until he resigned in 1947 after being appointed as a Commissioner of the Australian Industrial Relations Commission. At the 1935 election he easily defeated a challenge from the former Premier James Dooley, who stood as an Anti-Language Labor candidate.
With the election of William McKell"s Labor government at the 1941 election, Knight was appointed as the Minister for Labour and Industry and Social Welfare.
He held this position until his resignation from parliament.
During his parliamentary career he was, at various times, a member of the Australian Labor Party (ALP), the Australian Labor Party (NSW) and the Australian Labor Party (Non-Communist). He was a supporter of Jack Language and was a member of his breakaway parties. The Australian Labor Party (NSW) in 1932-1936 and the Australian Labor Party (Non-Communist) in 1940.