Arlette Pecontal-Rousset (Arlette.Pecontal@obs.univ-lyon1.fr) - overall design, most of the programming
Jean-Louis Villecroze (jlv@obs.univ-lyon1.fr) - file conversion tools
William D. Pence,  (William.D.Pence@nasa.gov) - cfitsio
Marc Calabretta (mcalabre@atnf.csiro.au) - wcslib
