Bachelor, Harvard University, 1962. Master of Arts, Columbia University, 1965. Doctor of Philosophy, Yale University, 1968.
Assistant professor Massachusetts Institute of Technology, Cambridge, 1967-1972. Associate professor to professor Urban Studies Queens College, Flushing, New York, since 1972. Member doctoral faculty in Economics, City University of New York, since 1972.
Married Candace Kim Dye, 1972. Children: Nathan Keir, Gareth, Stephan.