Category:Photos by Paul Ehrenfest

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This category has only the following subcategory.

Media in category "Photos by Paul Ehrenfest"

The following 4 files are in this category, out of 4 total.

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  08608 einstein 1916.jpg 1,285 × 1,749; 669 KB
  
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  Einstein en Lorentz.jpg 1,712 × 2,256; 1 MB
  
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  Kronig.jpg 240 × 320; 28 KB
  
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  Niels Bohr Albert Einstein2 by Ehrenfest.jpg 1,452 × 2,117; 1.16 MB