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![R. Ranga Rao](/sites/default/files/styles/large/public/2021-09/ranga%20rao%20photo_0.jpg?itok=Fx1LZY4C)
We were saddened to learn about the recent death of Ranga Rao, Professor Emeritus in the Department of Mathematics at Illinois. A prominent mathematician from India, Professor Rao joined the faculty at the University of Illinois at Urbana-Champaign in 1961. After 40 years of service, he retired in 2001, and moved back to Chennai, India, in 2015. His obituary is here.