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current | 03:32, 28 November 2023 | 1,912 × 1,548 (1.82 MB) | Materialscientist | tidied | |
03:18, 28 November 2023 | 1,912 × 1,580 (1.93 MB) | Materialscientist | =={{int:filedesc}}== {{information |description= en:Niels Bohr and en:Albert Einstein. Foto by Paul Ehrenfest (1880-1933).<br> 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) |author= en:Paul Ehrenfest |source=https://www.nature.com/articles/456706a (and other sites as well) }} =={{int:license-header}}== {{PD-old-auto|deathyear=1933}} [[Category:Niels Bohr and Albert Einstei... |
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