John Perry Hamilton graduated BA (1960) and LLB (1963) from the University of Sydney and practised at the bar, principally in Sydney, for 33 years. He practised extensively in Wardens’ Courts, particularly in the 1970s. He was appointed Queen’s Counsel in 1982. He was appointed an Acting Judge of the Supreme Court of New South Wales in 1996 and a permanent Judge of the Equity Division in 1997. He retired in 2009 and was again an Acting Judge from 2009 to 2011. He was Chair of the Attorney General’s Working Party on Civil Procedure from 2002 until his retirement. He is a joint editor of Thomson Reuters Civil Procedure in NSW. He has written various articles on procedural and legal historical subjects. He obtained a PhD at Macquarie University in 2014 with a thesis which is the basis of his book Adjudication on the Gold Fields in New South Wales and Victoria in the 19th Century.