[1] His father was severely injured in a building collapse at Port Adelaide, and had to abandon his trade in 1875 for a position as Hindmarsh poundkeeper.
[2] For 15 years he worked for Thomas Hardy at Bankside (now Torrensville and Underdale, learning a good deal about primary production.
In 1898 he was made Government Whip in succession to (later Sir) Richard Butler, and in 1901 followed Lee Batchelor as Minister of Education and Industry in the Jenkins ministry.
[1] On retiring from politics Brooker, with Joseph Vardon and William Charlick, helped establish the Fruit and Produce Exchange, of which he became the secretary in 1903, and played a substantial part in the development of the East End Market.
His siblings included William Brooker ( – 10 November 1931), who married Elizabeth Mary Brown on 27 October 1870, and were parents of Rev.