John Brennan is a Senior Lecturer in Environmental Design at the Edinburgh School of Architecture and Landscape Architecture, the University of Edinburgh. He is also a practising architect whose built works include collaborations with James Turrell and a series of awards including the Saltire prize for housing, and most recently the Scottish Homes award for best house in 2011.

Chris Evans is a Professor in the School of Taxation and Business Law at the University of New South Wales.