About Clifford Hooker Clifford A. Hooker is a professor emeritus of philosophy and conjoint professor at the University of Newcastle and Director of the Complex Adaptive Systems Research Group. Books by Clifford Hooker Energy and the Quality of Life Understanding Energy Policy by (author) Clifford Hooker, Robert MacDonald, Robert van Hulst & Peter Victor Energy and the Quality of Life Understanding Energy Policy by (author) Clifford Hooker, Robert MacDonald, Robert van Hulst & Peter Victor