2008: Faculty Fellow for the Air Force
http://www.asee.org/sffp/

2007: Faculty Fellow for the Air Force
http://www.asee.org/sffp/

2007: Visiting Fellow of Trinity College, Cambridge University http://www.trin.cam.ac.uk/

2006: Faculty Fellow for the Air Force

2005: Bouchet Award of the American Physical Society

2005: Fulbright Senior Scholar to Israel

2004: Fellow of the American Physical Society

2004: Hunter College Presidential Award for Excellence in Scholarship

2002: 2002-2004 ITP Scholar

1995-1999: Member of the Editorial board: Progress in Surface Sciences

1993: Eugene Lang Student-Faculty Research Fellowship ( Hunter College )

1991: Sigma-Xi Honoray Scientific Research Society

1987-1988: Alexander von Humboldt Research Fellowship

1982-1992: NSERC Universty Research Council of Canada Postdoctoral Fellowship

1978: National Research Council of Canada, Research Fellowship

1968-1972: Guyana Scholarship to Trinity College, Cambridg, UK

1966-1968: Prizes in Mathematics and Physics, University of London, UK