Dean, School of Architecture and Design, Beaconhouse National University, Lahore, Pakistan. Private, non-profit, "First Liberal Arts" University in Pakistan. Former Director, School of Architecture, Carleton University, Ottawa, Canada. Professor Emeritus and Davidson Dunton Distinguished Lecturer recognized for lifetime research, design and teaching

 He studied architecture and structural engineering as separate professional disciplines at the University of Illinois, Urbana-Champaign and graduated with a B.Arch (1968) and a Ph.D. (1969).

He founded the Form Studies Unit at Carleton and introduced the idea of polyhedral chains organized around spatial networks.

 His work has ranged from structural morphology to architectural history and theory.He was member of the International Commission for Preservation of Islamic Cultural Heritage, Istanbul (1983-94) and was awarded the Davidson Dunton Research Lectureship in 1999