The ad that Lott said was placed in the December University of Chicago Magazine has appeared in the February 2003 issue: (The delay was apparently caused by a mix up.)
Attempting to reach two people who worked on and helped coordinate others on a survey given by John Lott while they were undergraduates at the University during the beginning of 1997. Some questions about verifying the survey need to be answered. Please call 202.862.XXXX.
(I've replaced part of the number with Xs---if you are one of the two students that Lott seeks, email me and I will send you the number.)