File:David Hilbert postcard retusche.jpg
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Original file (818 × 1,162 pixels, file size: 464 KB, MIME type: image/jpeg)
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Summary
| Description | David Hilbert |
| Date | before 1912 |
| Source | Reid, Constance (1970) Hilbert, Berlin, Heidelberg: Springer Berlin Heidelberg Imprint Springer, p. 230 ISBN: 978-3-662-27132-2. |
| Author | Unknown author, derivative work Lämpel |
| Permission (Reusing this file) |
This photograph was taken in 1912 for postcards of faculty members at the University of Göttingen which were sold to students at the time (see "Hilbert", Constance Reid, Springer 1970). It was therefore published before 1923. Since it is not written in a foreign language, it is public domain in the US. It is likely that the original copyright holder was the photographer, and it is reasonable to assume that someone of professional age in 1912 died before 1964. This does not affect the copyright status in the US, but may mean that the image is also in the public domain in countries where the copyright term is life of author plus 50 years. |
| Other versions |
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This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Deutsch: Crop, Tiefen angehoben, Lichter gemindert, geschärft, Sepia addiert, Hintergrund ersetzt, Kontrast optimiert . Modifications made by Lämpel.
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Licensing
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This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
 Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings. |
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 09:08, 8 April 2023 | | 818 × 1,162 (464 KB) | Lämpel | {{information |description={{w|David Hilbert}} |permission=This photograph was taken in 1912 for postcards of faculty members at the University of Göttingen which were sold to students at the time (see "Hilbert", Constance Reid, Springer 1970). It was therefore published before 1923. Since it is not written in a foreign language, it is public domain in the US. It is likely that the original copyright holder was the photographer, and it is reasonable to assume that someone of professional age... |
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