To learn like Solon and to teach like Socrates; to guide the eager young, and find the intellectual love of comrades.
(La Rouchefoucauld spoke in praise of Plato for his knowing how to grow old.)
Quo-Shin Chi

Soaring: picture

Department of Mathematics                          
Washington University                                  
St. Louis, MO 63130                                                                                          
Office: Rm. 210, Cupples I                                                        
Tel. #: 314-935-6757

Selected 2002 and 2005 Who's Who Among America's Teachers

Courses taught in Spring 2017:

Math 308

Math 407



Lao Tze:
  Tao (The Void) generates one, one generates two, two generates three, and three generates all beings.

Set Theory:
  0 (The empty set) generates 1, 1 generates 2, 2 generates 3, and 3 (numerals) generates all mathematics.

Escher: Behold!

An anatomy of research: pictures

The magic of plastic surgery: picture


(Raphael 1509) The School of Athens
(Let No One Ignorant of Geometry Enter)