The following people have contributed in developing wt:

Stig S{ther Bakken (Stig.Bakken@pvv.unit.no)
Justin Beech (justinb@lehman.com)
Dan Egnor (egnor@ugcs.caltech.edu)
David Engberg (snarklrd@leland.stanford.edu)
Castor Fu (castor@drizzle.stanford.edu)
Thomas Hamren (d0hampe@dtek.chalmers.se)
Harm Hanemaayer (hhanemaa@cs.ruu.nl)
Gerardo Horvilleur (mago@sunmexico.sun.com)
Samo Kangaslampi (pekanga@freeport.uwasa.fi)
Thomas Malik (malik@rhrk.uni-kl.de)
Patrick L. McGillan (pmcgilla@magoo.uwsuper.edu)
Russ Nelson (nelson@crynwr.com)
Turly O'Connor (Turly.OConnor@isltd.insignia.com)
Pekka Pietik{inen (pp@lyseo.otol.fi)
Joseph Provine (provine@enel.ucalgary.ca)
Ling Thio (H.L.Thio@et.tudelft.nl)
Dave Thomas (dave@thomases.demon.co.uk)
Monroe Williams (monroe@cs.pdx.edu)
Marinos Yannikos (nino@vmars.tuwien.ac.at)
Henner Zeller (zeller@linux2.rz.fh-heilbronn.de)
