1991 DEO, Satya (b. 1944) PhD(Arkansas,USA), General Secretary (HQ), NASI & Honorary Scientist, Harish Chandra Research Institute, Chhatnag Road, Jhusi, Prayagraj – 211019; Tel: (0532) 2274353(O), 2274012(R), 09415309323(M); Fax: 2668317; Email: ; ; Sp. Algebraic & Differential Topology.