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"Almost certainly his best piece of work and one of the very best achievements in Indian Mathematics since Ramanujan."

Subbayya Sivasankaranarayana Pillai
Subbayya Sivasankaranarayana Pillai was an Indian mathematician specialising in number theory. His contribution to Waring's problem was described in 1950 by K. S. Chandrasekharan as "almost certainly his best piece of work and one of the very best achievements in Indian Mathematics since Ramanujan".