Dr Laurence Claus tutored in law at St. John’s College, University of Queensland, before studying for his doctorate in the University of Oxford. Dr Claus has worked for the High Court of Australia, and with the Honourable Sir Ronald Wilson on a Royal Commission in Western Australia, and has been appointed attorney in the United States Department of Justice at the American Embassy in London. He prepared ‘Federalism and the Judges’ while staying in Trinity as a visiting scholar and tutor in constitutional and administrative law. The paper highlights the importance of distinctly American federalist thinking in the creation of the Australian constitution. This lecture was presented in May 1999.