Royalty-free @item@ photos:albert einstein and niels bohr

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greyscale photo, man suit, albert einstein and niels bohr, 1925, casual, discussion, personalities of the twentieth century, niels henrik david bohr, niels bohr danish physicist, einstein theoretical physicist, genius

Public Domain
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1925, Albert Einstein, Niels Bohr, albert einstein and niels bohr, casual, discussion, personalities of the twentieth century, niels henrik david bohr, niels bohr danish physicist, einstein theoretical physicist, genius

Public Domain