Daniel Kleitman

Daniel J. Kleitman (born October 4, 1934)[1][2][3] is an American mathematician and professor of applied mathematics at MIT.

[1] Kleitman then attended Cornell University, from which he graduated in 1954,[1] and received his PhD in Physics from Harvard University in 1958 under Nobel Laureates Julian Schwinger and Roy Glauber.

Formerly a physics professor at Brandeis University,[6] Kleitman was encouraged by Paul Erdős to change his field of study to mathematics.

"[1] Kleitman joined the applied mathematics faculty at MIT in 1966, and was promoted to professor in 1969.

[8] In 1973 Kleitman was elected as a member of the American Academy of Arts and Sciences.