1980 SINHA, Dilip Kumar (b. 1940) PhD,FIMA(UK),FWBSCT, Former R.B. Ghose Professor of Applied Mathematics, Calcutta University, Kolkata; President, IERS, Kolkata; Res. 69/A, Ekdalia Road, Kolkata – 700019; Tel: (033) 24406913(R), 09830461736(M); Email: ; Sp. Nonlinear Mathematics/Mathematical Ecology/Natural Disaster& Risk Management.