sentences:  From the mid-1970s until the late 1980s he was part of the Radical Institute Group that sought reform within the Royal Town Planning Institute.As well as teaching planning and housing at Heriot-Watt University, he also worked as a part-time tutor for the Open University on social science courses during the 1970s and 1980s.Since 2006 he has been Emeritus Professor, freelance consultant and researcher.