COLLABORATORS:
.   "Marcel Aguerps" <marcel@astro.columbia.edu>
$!  "Fran Bagenal" <bagenal@colorado.edu>
$!  "Andreas Berlind" <aberlind@astronomy.ohio-state.edu>
      Gerald H. Newsom"" <gnewsom@astronomy.ohio-state.edu>
      and the Ohio State Dept of Physics and Astronomy 
    "Bernard W. Bopp" <BBopp@utnet.utoledo.edu>
    "Caroline Cox" <cvc3f@pegasus.astro.virginia.edu>
$!  "Steve Danford" <danford@uncg.edu>
$!  "Rodney Dunning" <dunnirb4@wfu.edu>
$!  "Kenneth Gayley" <kgg@astro.physics.uiowa.edu>
$!  "Paul Green" <pgreen@cfa.harvard.edu>
    "Erica Ellingson" <elling@kestrel.colorado.edu>
    "Tiffany Glassman" <glassman@astro.ucla.edu>
c   "Henry S. Greenside" <hsg@phy.duke.edu>
$   "Margaret Hanson" <hanson@physics.uc.edu>
$!  "Joe Heafner" <heafnerj@vnet.net>
$!  "Robert Hill" <RHill@mbbc.edu>
$!  "Jennifer Hoffman" <jhoffman@uwast.astro.wisc.edu>
$!  "Doug Ingram" <d_ingram@netcom.com>
$   "Vinay L. Kashyap" <kashyap@cfa.harvard.edu>
f   "Craig Kletzing" <cak@delta.physics.uiowa.edu>
    "Cline, Kelly" <KCline@carroll.edu>
$!  "Amy Kolan" <kolan@stolaf.edu>
$!  "George Kraus" <GeorgeK@csm.cc.md.us>
     "Lyle Lichty" <LLichty@cornellcollege.edu>
$   "Jodi McCullough" <jmccul@hotmail.com>
$!  "Peter R. McCullough" <pmcc@astro.uiuc.edu>
$!  "David McDavid" <mcdavid@limber.org>
$!  "Tony Morgan" <Morgan@Dickinson.edu>
    Andrew Morrison <amorriso@iwu.edu>
.    Tanja Nymark
.    Bryan Penprase <bpenprase@pomona.edu>
    "Dale Pleticha" <pleticha@gordon.edu>
$!  "Bryan Penprase" <penprase@krishna.physics.hmc.edu>
    "Shauna Sallmen" <shauna@critters.physics.uwlax.edu>
$   "Eric Sandquist" <erics@apollo.astro.nwu.edu>
$   "Edward G Schmidt" <eschmidt@unlserve.unl.edu>
N!  "Eric Schulman" <eschulma@NRAO.EDU>
e   "Stephen E. Schneider" <schneider@astro.umass.edu>
N   "Stephen J. Shawl" <shawl@UKANS.EDU>
    "Nordgren, Tyler" <Tyler_Nordgren@redlands.edu>
    "Mike Vaughn" <mtvaughn@neu.edu>
     "Oleg Yordanov" <Oyordanov@aubg.bg>
     John Wardle <wardle@brandeis.edu>
     Joanathan Williams
$   "Maria Womack" <mwomack@stcloudstate.edu>


! selected questions included already onto WWW pages
$ consent  by email to book publ
N declined book publ 
e helped edit or provided feedback on conceptests
. got a password, without committing so far



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