Leonard E "Opa" Baum August 23, 1931 - August 14, 2017
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Weekly 'Go' game brings together eclecti
Leonard Baum (seated left), a retired math professor who lives in Princeton, faced third-grader Lionel Zhang in a game of "Go" at the Wednesday night meeting of the Go Club. Graduate student Dinghao Wu (standing) and professor of mathematics Joseph Kohn watched the match-up.