“Professor Emeritus of EECS & Mathematics Elwyn Berlekamp passed away on April 9th. He was Chair of EECS from 1977-79 and left an enormous legacy in the department's Computer Science Division which is still felt today. He will be dearly missed. @Cal_Engineer @UCBLettersSci”

https://twitter.com/Berkeley_EECS/status/1116034902305042432