diff -r 1cdfbd39b0bd -r 0c1255ac996a text/intro.tex
--- a/text/intro.tex	Sun Apr 24 13:55:58 2011 -0700
+++ b/text/intro.tex	Wed May 04 14:47:43 2011 -0600
@@ -552,8 +552,9 @@
 Thomas Tradler,
 Kevin Costello, 
 Chris Douglas,
+Alexander Kirillov,
 and
-Alexander Kirillov
+Michael Shulman
 for many interesting and useful conversations. 
 Peter Teichner ran a reading course based on an earlier draft of this paper, and the detailed feedback
 we got from the student lecturers lead to very many improvements in later drafts.