File:Niels Bohr Albert Einstein4 by Ehrenfest cr.jpg

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Original file(1,912 × 1,548 pixels, file size: 1.82 MB, MIME type: image/jpeg)

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Summary

Description

en:Niels Bohr and en:Albert Einstein. Foto by Paul Ehrenfest (1880-1933).

The picture was taken at Ehrenfest's home in Leiden, the occasion was most likely the 50th anniversary of Hendrik Lorentz' doctorate (December 11, 1925)
Source https://www.nature.com/articles/456706a (and other sites as well)
Author en:Paul Ehrenfest

Licensing

Public domain

The author died in 1933, so 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 80 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.
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
current20:32, 27 November 2023Thumbnail for version as of 20:32, 27 November 20231,912 × 1,548 (1.82 MB)wikimediacommons>Materialscientisttidied

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