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+Acknowledgments
+===============
+
+.. image:: ../images/ring.gif
+    :width: 124
+    :alt: ring
+
+The LibTIFF software was written by Sam Leffler while working for
+Silicon Graphics.
+
+Silicon Graphics has seen fit to allow us to give this work away.  It
+is free.  There is no support or guarantee of any sort as to its
+operations, correctness, or whatever.  If you do anything useful with
+all or parts of it you need to honor the copyright notices.  It would
+also be nice to be acknowledged.
+
+The LZW algorithm is derived from the compress program (the proper attribution
+is included in the source code).
+
+The Group 3 fax stuff originated as code from Jef Poskanzer, but has since
+been rewritten several times.  The latest version uses an algorithm from
+Frank Cringle -- consult :file:`libtiff/mkg3states.c` and
+:file:`libtiff/tif_fax3.h` for further information.
+
+The JPEG support was written by Tom Lane and is dependent on the
+excellent work of Tom Lane and the Independent JPEG Group (IJG) who distribute
+their work under friendly licensing similar to this software. Joris Van Damme
+implemented the robust Old JPEG decoder (as included in libtiff since version
+3.9.0, there was another Old JPEG module in older releases, which was
+incomplete and unsuitable for many existing images of that format).
+
+JBIG module was written by Lee Howard and depends on JBIG library from the Markus
+Kuhn.
+
+Many other people have by now helped with bug fixes and code; a few of
+the more persistent contributors have been:
+
+.. list-table:: Contributors
+    :widths: 10
+    :header-rows: 0
+
+    * - Bjorn P. Brox
+    * - Dan McCoy
+    * - J.T. Conklin
+    * - Richard Minner
+    * - Frank D. Cringle
+    * - Richard Mlynarik
+    * - Soren Pingel Dalsgaard
+    * - Niles Ritter
+    * - Steve Johnson
+    * - Karsten Spang
+    * - Tom Lane
+    * - Peter Smith
+    * - Brent Roman
+    * - Mike Welles
+    * - Frank Warmerdam
+    * - Greg Ward
+    * - Stanislav Brabec
+    * - Roman Shpount
+    * - Peter Skarpetis
+    * - Arvan Pritchard
+    * - Bernt Herd
+    * - Joseph Orost
+    * - Phil Beffery
+    * - Ivo Penzar
+    * - Francois Dagand
+    * - Albert Chin-A-Young
+    * - Bruce A. Mallett
+    * - Dwight Kelly
+    * - Andrey Kiselev
+    * - Ross Finlayson
+    * - Dmitry V. Levin
+    * - Bob Friesenhahn
+    * - Lee Howard
+    * - Joris Van Damme
+    * - Tavis Ormandy
+    * - Richard Nolde
+    * - Even Rouault
+    * - Roger Leigh
+
+(apologies to anyone that was inadvertently not listed.)