Elwyn Ralph Berlekamp (September 6, 1940 – April 9, 2019) was a professor of mathematics and computer science at the University of California, Berkeley.

Berlekamp met his wife, Jennifer Wilson, in 1964 after juggling in his apartment and having to apologize for causing a noise disturbance.

[5] Berlekamp was a professor of electrical engineering at the University of California, Berkeley from 1964 until 1966, when he became a mathematics researcher at Bell Labs.

In 1971, Berlekamp returned to Berkeley as professor of mathematics and computer science, where he served as the advisor for over twenty doctoral students.

Berlekamp and co-author David Wolfe describe methods for analyzing certain classes of Go endgames in the book Mathematical Go.

[15] Berlekamp teamed up with John Horton Conway and Richard K. Guy, two other close associates of Gardner, to co-author the book Winning Ways for your Mathematical Plays, leading to his recognition as one of the founders of combinatorial game theory.