A great number of people have contributed to the successive improvements which eventually resulted in the present version of PARI/GP. We would like to thank them all here. In particular, substantial contributions have been made by: David Carlisle (carlisle@cs.man.ac.uk) Marije Huizing (marije@cwi.nl) Bruce Kaskel (kaskel@math.berkeley.edu) Peter Montgomery (pmontgom@cwi.nl) Klaus-Peter Nischke (klaus@nischke.do.eunet.de) Harvey Rose (H.E.Rose@bristol.ac.uk) Juhana Sadeharju (kouhia@nic.funet.fi) Michael Stoll (michael@rhein.iam.uni-bonn.de) Former members of the PARI development team and other major code contributors: Christian Batut (batut@math.u-bordeaux.fr) Dominique Bernardi (bernardi@math.jussieu.fr) Francisco Diaz y Diaz (diaz@math.u-bordeaux.fr) Yves Eichenlaub (eichen@math-labo.univ-poitiers.fr) Xavier Gourdon (Xavier.Gourdon@inria.fr) Louis Granboulan (granboul@ens.fr) Bruno Haible (haible@ilog.fr) Pascal Letard Michel Olivier (olivier@math.u-bordeaux.fr) Thomas Papanikolaou (papanik@math.u-bordeaux.fr) Denis Simon (desimon@math.u-bordeaux.fr) Emmanuel Tollis Current PARI developers: Bill Allombert (Bill.Allombert@math.u-bordeaux.fr) Karim Belabas (Karim.Belabas@math.u-psud.fr) Henri Cohen (Henri.Cohen@math.u-bordeaux.fr) Guillaume Hanrot (Guillaume.Hanrot@loria.fr) Gerhard Niklasch (gerhard.niklasch@okay.net) Xavier Roblot (roblot@euler.univ-lyon1.fr) Ilya Zakharevitch (ilya@math.ohio-state.edu) PARI was originally written (1987) in the Laboratoire A2X, Universite Bordeaux I (France) by Christian Batut, Dominique Bernardi, Henri Cohen and Michel Olivier.