படிமம்:Niels Bohr Albert Einstein by Ehrenfest.jpg

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விளக்கம்	English: Niels Bohr and Albert Einstein. 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).
நாள்	11 திசம்பர் 1925
மூலம்	http://www.dfi.dk/dfi/pressroom/kbhfortolkningen/
ஆசிரியர்	Paul Ehrenfest Original uploader was Graf at de.wikipedia
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	நாள்/நேரம்	நகம் அளவு சிறுபடம்	அளவுகள்	பயனர்	கருத்து
தற்போதைய	14:51, 12 மே 2011		1,467 × 2,123 (1.64 MB)	wikimediacommons>Craigboy	partially cleaned

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