चित्र:Max Planck (1858-1947).jpg

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विवरण
English: German physicist Max Planck (c. 1930).
العربية: الفيزيائي الألماني ماكس بلانك عام 1930
दिनांक circa १९३०
date QS:P,+1930-00-00T00:00:00Z/9,P1480,Q5727902
स्रोत https://library.si.edu/image-gallery/73553
लेखक अनजानUnknown author, credited to Transocean Berlin (see imprint in the lower right corner)
अनुमति
(इस चित्र का पुनः उपयोग करना)
Unknown author and photo is older than 70 years (taken in 1930)


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German physicist Max Planck (c. 1930)

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