File:Knuth-check2.png

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Description	One of Donald Knuth's reward checks. Note that the machine-readable numbers at the bottom of the check have been randomly swapped or modified, so that no personal information about Don Knuth's personal bank account is leaked through this image.
Date	Signed 8 March 1999, first uploaded on 29 November 2005 to en-wp as en:File:Knuth-check.png, then processed by on 1 February 2006.
Source	The check itself was scanned by Schutz as en:Image:Knuth-check.png. The logos and design on the check have been pixelized by Simetrical. This image was transfered from en-wp by AFBorchert.
Author	Signature by Donald Knuth

This image only consists of simple geometric shapes and/or text. It does not meet the threshold of originality needed for copyright protection, and is therefore in the public domain. Although it is free of copyright restrictions, this image may still be subject to other restrictions. See WP:PD#Fonts or Template talk:PD-textlogo for more information.

This signature is believed to be ineligible for copyright and therefore in the public domain because it falls below the required level of originality for copyright protection both in the United States and in the source country (if different). In this case, the source country (e.g. the country of nationality of the signatory) is believed to be United States.Note that this tag cannot be used on all signatures, as not all signatures are copyright-free. See Commons:When to use the PD-signature tag for an explanation of when the tag may be used.

File usage

The following pages on Schools Wikipedia link to this image (list may be incomplete):

Donald Knuth

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified file.

Horizontal resolution	28.35 dpc
Vertical resolution	28.35 dpc
File change date and time	00:31, 1 February 2006

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