File:Johann Friedrich Pfaff.jpg

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    Original file (228 × 268 pixels, file size: 25 KB, MIME type: image/jpeg)

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    Summary

    Description
    Deutsch: de:Johann Friedrich Pfaff (* 22. Dezember 1765 in Stuttgart; † 21. April 1825 in Halle (Saale)),ein deutscher Mathematiker.
    Date ca. 1820
    Source https://disk.mathematik.uni-halle.de/history/pfaff/
    Author unknown

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    This is a faithful photographic reproduction of a two-dimensional, public domain work of art. The work of art itself is in the public domain for the following reason:
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    Original upload log

    The original description page was here. All following user names refer to en.wikipedia.
    • 2006-08-07 08:59 Bunzil 228×268×8 (25825 bytes) The painting is well over 70 years old.....over 200 years in fact. {{PD-art}}

    Licensing

    Public domain

    This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer.

    You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
     Note that a few countries have copyright terms longer than 70 years: Mexico has 100 years, Jamaica has 95 years, Colombia has 80 years, and Guatemala and Samoa have 75 years. This image may not be in the public domain in these countries, which moreover do not implement the rule of the shorter term. Honduras has a general copyright term of 75 years, but it does implement the rule of the shorter term. Copyright may extend on works created by French who died for France in World War II (more information), Russians who served in the Eastern Front of World War II (known as the Great Patriotic War in Russia) and posthumously rehabilitated victims of Soviet repressions (more information).
    This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

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    Date/TimeThumbnailDimensionsUserComment
    current21:40, 12 April 2007Thumbnail for version as of 21:40, 12 April 2007228 × 268 (25 KB)wikimediacommons>Kilom691{{Information |Description=The painting is well over 70 years old.....over 200 years in fact. |Source=Originally from [http://en.wikipedia.org en.wikipedia]; description page is/was [http://en.wikipedia.org/w/index.php?title=Image%3AJohann_Friedrich_Pfaff

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