1997 SAHNI, Ashok (b. 1941) PhD(Minnesota),FNA,FASc,FAVH,FTWAS, Former INSA Senior Scientist & Professor Emeritus, PU; Centre of Advanced Study in Geology, University of Lucknow, Lucknow; Res. 98 Mahatma Gandhi Marg, Lucknow – 226001; Tel: (0522) 2235385(R), 09956029934(M); Email: ; Sp. Vertebrate/Biostratigraphy/Biomineralization.