Universities of Bonn, Berlin, and Jena

YCMS Tsinghua; Senior Research Fellow at Fox / Temple U, Emeritus at Harvard U

University of Chicago

Harvard University

University of Chicago

professor of economics,harvard university

Professor of Mathematics, Princeton University

Foreign Honorary Memebr of American Academy, Lord Rector of the University of St …

Massachusetts Institute of Technology

Profesor of Management, Emeritus, The Wharton School, U. of Pennsylvania