Phillipp_Lenard_in_1900.jpg
Description Phillipp Lenard in 1900.jpg | German physicist Phillipp Lenard | ||||||
Date | According this source , picture is taked in 1900 | ||||||
Source | Encyclopaedia Britannica . Original source AIP Emilio Segrè Visual Archives, American Institute of Physics. | ||||||
Author | Not mentioned in any source | ||||||
Permission
( Reusing this file ) |
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