 Key contributions on theoretical frameworks for analysing education, post-structuralism, feminism, nationalism, technology and subjectivity have been made by John Hinkson, Gerry Gill, Alison Caddick, Paul James, Simon Cooper and Guy Rundle.Since the late 1960s the publications have been produced by a group of around a dozen to twenty members, many of whom have been part of the project for several decades.Over the years "Arena's" publications have featured work from a wide range of Australian and international contributors, including Dennis Altman, Judith Brett, Humphrey McQueen, Don Watson, John Pilger, Julie Stephens, Boris Frankel, Susan Hawthorne, Noam Chomsky, David Holmes, Verity Burgmann, Andrew Milner, Terry Eagleton, Fredric Jameson, Tom Nairn, Larissa Behrendt, Jürgen Habermas, Zygmunt Bauman, Christos Tsiolkas, Kevin Hart, Simon During, Noel Pearson, Raimond Gaita, John Frow, Naomi Klein.