He retired as Principal Associate Director - Science, Technology, and Engineering at Los Alamos National Laboratory in 2018.

He has made major contributions in the areas of solitons, quantum complexity, structural and magnetic transitions, collective excitations in low-dimensional organic and inorganic materials and complex electronic materials with strong spin-charge-lattice coupling.

He has served as a consultant with IBM Research Lab, Zurich, Max-Planck Institute, Stuttgart, International Centre for Theoretical Physics, Trieste among many others.

[citation needed] Born in Staffordshire, England, he was educated at the University of East Anglia and Trinity College, Cambridge (PhD, 1973).

[3][4] He obtained his Ph.D. with (future, 1977) Nobel Laureates Sir Neville Mott and Philip W. Anderson.