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File:Kazimierz Kuratowski.jpg

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Kazimierz_Kuratowski.jpg (200 × 266 pixels, file size: 52 KB, MIME type: image/jpeg)

Summary

Kazimierz Kuratowski, 20th century Polish mathematician, graph theorist (1896 - 1980)

This picture is public domain because it was taken in Poland before 1990, without an explicit copyritght notice.

Licensing

Public domain
This photograph is in the public domain because according to the Art. 3 of copyright law of March 29, 1926 of the Republic of Poland and Art. 2 of copyright law of July 10, 1952 of the People's Republic of Poland, all photographs by Polish photographers (or published for the first time in Poland or simultaneously in Poland and abroad) published without a clear copyright notice before the law was changed on May 23, 1994 are assumed to be in the public domain in Poland.

This work is in the public domain in the United States because it meets three requirements:

  1. it was first published outside the United States (and not published in the U.S. within 30 days),
  2. it was first published before 1 March 1989 without copyright notice or before 1964 without copyright renewal or before the source country established copyright relations with the United States,
  3. it was in the public domain in its home country (Poland) on the URAA date (1 January 1996).
To uploader: Please provide where and when the image was first published.

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Kazimierz Kuratowski

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File history

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Date/TimeThumbnailDimensionsUserComment
current17:45, 17 June 2020Thumbnail for version as of 17:45, 17 June 2020200 × 266 (52 KB)Jacek Halickibrightness
01:52, 7 October 2005Thumbnail for version as of 01:52, 7 October 2005200 × 266 (12 KB)Gene.arboitKazimierz Kuratowski, 20th century Polish mathematician, graph theorist (1896 - 1980) This picture is public domain because it was taken in Poland before 1990, without an explicit copyritght notice. [[Category:20th century mathematicians|Kuratowski, Kaz

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