He was the head of the scattering and
quantum optics section at the
Defence Research Agency, a visiting professor at
Imperial College London, an honorary secretary of the
Institute of Physics from 1994 until 2003, and finally a Professor of Applied Statistical Optics at the
University of Nottingham from 1996. He was a member of the Council of the
European Physical Society from 1985 until 2003. == Awards and honours ==