The Xpdf software and documentation are
Copyright 1996-2003 Glyph & Cog, LLC.

Martin Kretzschmar <m_kretzschmar@gmx.net>
Marco Pesenti Gritti <marco@gnome.org>
Jonathan Blandford <jrb@gnome.org>
Nickolay V. Shmyrev <nshmyrev@yandex.ru>
Bryan Clark <clarkbw@gnome.org>
Carlos Garcia Campos  <carlosgc@gnome.org>
Wouter Bolsterlee <wbolster@gnome.org>

And many others