1994 SRIDHARAN, Ramaiyengar (b. 1935) PhD,FASc,FNA, Adjunct Professor, Chennai Mathematical Institute, Res. H1,SIPCOT IT Park, Padur Post, Siruseri, Kelambakkam, Chennai – 603103; Tel: (044) 27470227/1231(O), 24511692(R); Fax: 27470225; Email: ; Sp. Algebra.