1998 DASS, N.D. Hari (b. 1946) Ph.D., Senior Professor, Institute of Mathematical Sciences, C.I.T. Campus, Chennai – 600113; Res. 12/9, I Main Road, Kasturbanagar, Chennai – 600113; Tel: (044) 2351856(O), 4422767(R); Sp. Quantum Field Theory/Gravitation and Astrophysics.