gzip was written by Jean-loup Gailly , with portions written by Mark Adler (inflate.c), Peter Jannesen (unlzw.c) and Haruhiko Okumura (unlzh.c). The zip deflate format was defined by Phil Katz. Thanks to those who reported problems and suggested various improvements. Here is a partial list of them: Robert Abramovitz bromo@cougar.tandem.com Jay Adams jka@ece.cmu.edu Mark Adler madler@cco.caltech.edu Edwin Allum edwin@csri.toronto.edu Joseph Arceneaux jla@gnu.ai.mit.edu Tim Auckland tda10@cus.cam.ac.uk Ken-ichiro Aoki aoki@madonna.physics.ucla.edu David Ascher da@marlowe.cog.brown.edu Eric Backus ericb@lsid.hp.com Becky A. Badgett badgett@cs.utexas.edu Bo Nygaard Bai bai@iesd.auc.dk Dave Barber dbarber@apocalypse.bbn.com Rene Beaulieu reneb@distri.hydro.qc.ca Neal Becker neal@ctd.comsat.com Dieter Becker becker@med-in.uni-sb.de Nelson H. F. Beebe beebe@geronimo.math.utah.edu Jeff Beadles jeff@onion.rain.com David J. N. Begley dbegley@st.nepean.uws.edu.au Bob Beresh rberesh@rd.hydro.on.ca Jim Bernard jbernard@iola.mines.colorado.edu Karl Berry karl@cs.umb.edu James W. Birdsall jwbirdsa@picarefy.picarefy.com Scott Bolte scott@craycos.com Wayne E. Bouchard web@paladine.hacks.arizona.edu Marc Boucher marc@cam.org Ola Brahammar pt90ob@pt.hk-r.se Dave Brennan brennan@hal.com Alan Brown dogbowl@dogbox.acme.gen.nz Michael L. Brown brown@wi.extrel.com Rodney Brown rdb@mel.cocam.oz.au Bruce bde@runx.oz.au Bill Bumgarner bbum@stone.com Leila Burrell-Davis leilabd@syma.sussex.ac.uk Roger Butenuth butenuth@ira.uka.de Jon Cargille jcargill@cs.wisc.edu Bud Carlson bud@isle.pegasus.com Lim Fung Chai fclim@i1sin.daq.semi.harris.com Wes Chalfant wes@kofax.com Andrew A. Chernov ache@astral.msk.su Paul Close pdc@lunch.wpd.sgi.com Jeff Coffler coffler@jac.enet.dec.com Will Colley wcc3@occs.cs.oberlin.edu Roger Cornelius sherpa!rac@uunet.uu.net Kevin Cosgrove kevinc@tekig6.pen.tek.com Stephen J Cowley s.j.cowley@amtp.cam.ac.uk Ron Cox roncox@indirect.com Frank Crawford frank@photon.ansto.gov.au James R. Crawford qralston@cislabs.pitt.edu Lawrence Crowl crowl@research.cs.orst.edu Klaus Dahlenburg kdburg@incoahe.hanse.de William E Davidsen davidsen@ariel.crd.ge.com John M. DeDourek dedourek@aixive2.cs.unb.ca Jeff Deifik jdeifik@isi.edu Vince DeMarco vince@whatnxt.cuc.ab.ca Michael De La Rue p91152@cplab.physics.edinburgh.ac.uk Jeff Delinck delinck@pa621a.inland.com John DeRoo deroo@grout.adv.shr.dec.com Jim Diamond zsd@axe.drea.dnd.ca Stefano Diomedi sd@teculx.tecsiel.it Lawrence R. Dodd dodd@roebling.poly.edu Matthew Donadio donadio@mxd120.rh.psu.edu Andy Dougherty andy@crystal.phys.lafayette.edu Darrell Duane dduane@mason1.gmu.edu John Eaton jwe@che.utexas.edu Will Edgington wedgingt@ptolemy.arc.nasa.gov Brian Edmonds edmonds@edmonds.home.cs.ubc.ca Paul Eggert eggert@twinsun.com Enami enami@sys.ptg.sony.co.jp Kristoffer Eriksson ske@pkmab.se Daniel Eriksson m91der@bellatrix.tdb.uu.se Rik Faith faith@cs.unc.edu Larry Fahnoe fahnoe@c1mpls.mn.org Cristian Ferretti cfs@poincare.mat.puc.cl Karl-Jose Filler pla_jfi@pki-nbg.philips.de Valery Fine fine@vxcern.cern.ch Bob Fischer bobf@milne.geology.yale.edu Per Foreby perf@efd.lth.se Alexander Fraser alex@cs.umb.edu Noah Friedman friedman@gnu.ai.mit.edu Bob Friesenhahn bfriesen@iphase.com Gerhard Friesland-Koepke frieslan@rzdspc3.informatik.uni-hamburg.de Andy Fyfe andy@scp.caltech.edu Geoff geoff@frs.faxon.com Arnd Gerns gerns@informatik.uni-hildesheim.de Kaveh R. Ghazi ghazi@staccato.rutgers.edu Torbjorn Granlund tege@sics.se Carl Greco cgreco@parrot.creighton.edu Bruno Haible haible@ma2s2.mathematik.uni-karlsruhe.de Junio Hamano junio@shadow.twinsun.com Harald Hanche-Olsen hanche@ams.sunysb.edu Darrel R. Hankerson hankedr@mail.auburn.edu Mark Hanning-Lee markhl@romeo.caltech.edu Lars Hecking st000002@hrz1.hrz.th-darmstadt.de Ruediger Helsch ruediger@ramz.ing.tu-bs.de Mark C. Henderson mch@sqwest.wimsey.bc.ca Karl Heuer karl@kelp.boston.ma.us Jarkko Hietaniemi jhi@dol-guldur.hut.fi Thomas Hiller hiller@fzi.de Eiji Hirai hirai@cc.swarthmore.edu Kjetil Torgrim Homme kjetilho@ifi.uio.no Robert D. Houk rdh@sli.com Jim Howard jim_howard@mentorg.com Preston Hunt gt5708a@prism.gatech.edu Shane C Hutchins sch@nymph.msel.unh.edu Hutch hutchinson@wrair-emh1.army.mil Lester Ingber ingber@alumni.caltech.edu Ken Ishii ishii@sni-usa.com Per Steinar Iversen iversen@vsfys1.fi.uib.no Chris Jacobsen jacobsen@xray1.physics.sunysb.edu Michal Jaegermann ntomczak@vm.ucs.ualberta.ca Brian Jones brianj@skat.usc.edu Denny de Jonge witaddj@dutrex.tudelft.nl Arne H. Juul arnej@lise.unit.no Dana Jacobsen jacobsd@solar.cor2.epa.gov Peter Jannesen peter@ncs.nl Brian D. Johnston johnstonb@med.ge.com Walter W. Jones wwj@candela.cfr.nist.gov Tom Judson judson@scf.usc.edu Henry G. Juengst juengst@saph2.physik.uni-bonn.de Sarantos Kapidakis sarantos%manteion@ics.forth.gr Amir J. Katz amir@matis.ingr.com Steve Kelem kelem@castor.xilinx.com Steven Kimball kimball@shrew.sanders.lockheed.com Randy Kirchhof rkk@posms.aus.tx.us Ned Kittlitz kittlitz@seagoon.sw.stratus.com Sakai Kiyotaka ksakai@mtl.t.u-tokyo.ac.jp Philip C Kizer pckizer@gonzo.tamu.edu Pete Klammer pklammer@ouray.denver.colorado.edu Fritz Kleemann kleemann@informatik.uni-wuerzburg.dbp.de Wilhelm B. Kloke wb@ifado.arb-phys.uni-dortmund.de Tom Kloos tk@sequent.com Carsten Koch carsten.koch@icem.de Winfried Koenig win@in.rhein-main.de Mathias Koerber mathias@solomon.technet.sg Steph Konigsdorfer s.konigsdorfer@frmy.bull.fr Leif Kornstaedt leif@rumtifsl.ruessel.sub.org Michael D. Lawler mdlawler@bsu-cs.bsu.edu Kevin Layer layer@franz.com Howard D. Leadmon howardl@wb3ffv.ampr.org Alexander Lehmann alex@hal.rhein-main.de Simon Leinen simon@lia.di.epfl.ch Burt Leland burt@molecular.com Tony Leneis tony@plaza.adp.ds.com Hugues Leroy hugues.leroy@irisa.fr Marty Leisner leisner@eso.mc.xerox.com Charles Levert charles@aramis.comm.polymtl.ca Richard Levitte levitte@e.kth.se Torbj|rn Lindh toobii@elixir.e.kth.se David R. Linn drl@vuse.vanderbilt.edu Antonio Lioy cat@athena.polito.it Jamie Lokier u90jl@ecs.oxford.ac.uk Richard Lloyd R.K.Lloyd@csc.liv.ac.uk David J. MacKenzie djm@eng.umd.edu John R MacMillan john@chance.gts.org Ron Male male@eso.mc.xerox.com Don R. Maszle maze@bea.lbl.gov Jaye Mathisen osyjm@cs.montana.edu Telly Mavroidis mavroidi@acf2.nyu.edu Imed Eddine Mbarki mbarki@pacific.cmpe.psu.edu Steeve McCauley steeve@pooh.geophys.mcgill.ca Tom McConnell tmcconne@sedona.intel.com Tod McQuillin mcquill@ccit05.duq.edu Tye McQueen tye@spillman.com Bernd Melchers melchers@chemie.fu-berlin.de Jason Merrill jason@jarthur.claremont.edu Dean S. Messing deanm@medulla.labs.tek.com M. Mesturino mesturino@cselt.stet.it Luke Mewburn zak@rmit.edu.au Jim Meyering meyering@cs.utexas.edu Dragan Milicic milicic@math.utah.edu Frederic Miserey none.fred@applelink.apple.com Marcel J.E. Mol marcel@duteca.et.tudelft.nl Soren Juul Moller sjm@dde.dk Chris Moore moore@src.bae.co.uk Dan Mosedale mosedale@genome.stanford.edu Helmut Muelner hmuelner@fiicmds04.tu-graz.ac.at Urban D Mueller umueller@amiga.physik.unizh.ch Ulrich Mueller ulm@vsnhdb.cern.ch Timothy Murphy tim@maths.tcd.ie Greg Naber greg@squally.halcyon.com Jay Nayegandhi jayng@bbiv02.enet.dec.com Paul K. Neville II pkn2@idsi.com Karl L. Noell noell@informatik.fh-wiesbaden.dbp.de Demizu Noritoshi nori-d@is.aist-nara.ac.jp Todd Ogasawara todd@protege.pegasus.com Helge Oldach helge.oldach@stollmann.de Arthur David Olson ado@elsie.nci.nih.gov Piet van Oostrum piet@cs.ruu.nl Rafael R. Pappalardo rafapa@obelix.cica.es Mike Pearlman canuck@masc38.rice.edu Yves Perrenoud pyves@nuga.alphanet.ch Hal Peterson hrp@pecan.cray.com Pascal Petit petit@cadillac.ibp.fr Bruno Pillard bp@chorus.fr Franc,ois Pinard pinard@iro.umontreal.ca Jay Pinkos pinkos@butyng.bu.edu Thomas Plass thomas@cogsci.ed.ac.uk Mike Polo mikep@cfsmo.honeywell.com Francesco Potorti pot@fly.cnuce.cnr.it Will Priest bpriest@lobby.ti.com David Purves purves@apogee.com Andreas Raab ar@nvmr.robin.de Eric S. Raymond esr@snark.thyrsus.com Klaus Reimann kr@cip.physik.uni-stuttgart.de Michael Rendell michael@mercury.cs.mun.ca Hal Render render@massive.uccs.edu Julian F. Reschke julian@math.uni-muenster.de Phil Richards Phil.Richards@prg.oxford.ac.uk Roland B Roberts roberts@nsrl31.nsrl.rochester.edu Arnold Robbins arnold@cc.gatech.edu Kevin Rodgers kevin@rolling-stone.den.mmc.com Kai Uwe Rommel rommel@informatik.tu-muenchen.de Paul Rubin phr@america.telebit.com Wolfgang Rupprecht wolfgang@wsrcc.com Jonathan Ryshpan jon@amito.hitachi.com Paul A Sand pas@unh.edu Tony Sanders sanders@bsdi.com Mike Sangrey mike@sojurn.lns.pa.us Niimi Satoshi a01309@cfi.waseda.ac.jp Marc Schaefer sysadm@alphanet.ch Andreas Schwab schwab@lamothe.informatik.uni-dortmund.de Eric Schenk schenk@cs.toronto.edu Eric P. Scott eps@cs.sfsu.edu Olaf Seibert rhialto@mbfys.kun.nl Sunando Sen sens@fasecon.econ.nyu.edu Harry Shamansky hts@hertz.eng.ohio-state.edu Amos Shapira amoss@cs.huji.ac.il Rick Sladkey jrs@world.std.com Daniel L Smith dls@autodesk.com Fred Smith fredex%fcshome@merk.merk.com Stephen Soliday soliday@ncat.edu Paul Southworth pauls@css.itd.umich.edu Rob Spencer robbie@winkle.bhpese.oz.au Richard Stallman rms@gnu.ai.mit.edu Carsten Steger carsten.steger@informatik.tu-muenchen.de David Sundstrom sunds@anon.asic.sc.ti.com Ed Sznyter ews@babel.babel.com Hideaki Tanabe arctanx@iyeyasu.ynl.t.u-tokyo.ac.jp Andrew Telford ajt@peregrin.resmel.bhp.com.au Glenn E. Thobe thobe@getunx.info.com Kei Thomsen kt@keihh.hanse.de Karsten Thygesen karthy@dannug.dk Mark Towfiq towfiq@microdyne.com Jeff Treece treece@sabbagh.com Oliver Trepte oliver@ikaros.fysik4.kth.se Stephane Tsacas slt@is21.isoft.fr Stephen Tweedie sct@dcs.ed.ac.uk John R. Vanderpool fish@daacdev1.stx.com Sotiris Vassilopoulos vassilopoulos@virginia.edu Pedro A. M. Vazquez vazquez@iqm.unicamp.br Arjan de Vet devet@win.tue.nl Larry W. Virden lvirden@cas.org Vadim V. Vlasov vvlasov@inucres.msk.su Eduard Vopicka eduard.vopicka@vse.cs Theo Vosse vosse@ruls41.leidenuniv.nl Darin Wayrynen darin@pcg.uucp Marcel Waldvogel marcel@nice.usergroup.ethz.ch Stephen J. Walick steve@nshore.org Gray Watson gray@antaire.com David Watt dmwatt@smersh.cambridge.ma.us Scott Weikart scott@igc.apc.org Ivo Welch iwelch@agsm.ucla.edu Jochen Wiedmann zrawi01@zmcipdec1.zdv.uni-tuebingen.de Gijsb. Wiesenekker wiesenecker@sara.nl Wietze van Winden wietze@swi.psy.uva.nl Frank Wuebbeling wuebbel@math.uni-muenster.de Larry W. Virden lwv26@cas.org Bill Wohler wohler@sap-ag.de Jamie Zawinski jwz@lucid.com Christos Zoulas christos@deshaw.com