"Leibowitz received B.A. and M.S. degrees from the University of Chicago and a Ph.D. in mathematics from the Courant Institute of New York University." [http://www.carnegie.org/sub/about/m.leibowitz.html]
*Board of Governors, [[Levy Economics Institute]] <ref>[http://www.levy.org/board.aspx Board of Governors], Levy Economics Institute, accessed April 17, 2009.</ref>
==External links==