This is at least a partial credits-file of people that have
contributed to the imgvtopgm utilities.  If anyone has been
left out, please let me know so that I can update the list.

Thanks,
Eric Howe <mu@trends.net>

Eric Arnold <Eric.Arnold@sun.com>
	Original reverse engineering of the Image Viewer header record.

SUMIKAWA Munechika <sumikawa@ebina.hitachi.co.jp>
	4 bit grayscale support.