In roughly chronological order:

David Roundy <roundyd@physics.oregonstate.edu>
Mihai Ibanescu <michel@alum.mit.edu>
Peter Bermel <pbermel@purdue.edu>
Steven G. Johnson <stevenj@alum.mit.edu>
Ardavan Oskooi <ardavan.oskooi@gmail.com>
Alejandro Rodriguez <alexrod7@alum.mit.edu>
Alexander McCauley <mccauley@alum.mit.edu>
M.T. Homer Reid <homer@homerreid.com>
Christopher Hogan <c096h800@gmail.com>