Joseph John Kohn, professor of mathematics, emeritus, a 1956 Ph.D. alumnus and a leader in the field of several complex variables, died on Sept. 13. He was 91. Born in Prague in May 1932, Kohn ...

Minhyong Kim is leading a new initiative called Mathematics for Humanity that encourages mathematicians to apply their skills to solving social problems. Minhyong Kim rejects being called an optimist, ...