This image was acquired from
flickr. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
smithsonian institution smithsonianinstitution portrait physicist beard retrato siglo xix sigloxix siglo xx sigloxx glasses nobel prize in physics nobelprizeinphysics man smithsonian institution libraries smithsonianinstitutionlibraries blackandwhite black and white Creator Unidentified photographer Medium Medium unknown Dimensions