Public domain photos

The image shows a black and white drawing of a man wearing a coat and spectacles. At the bottom of the image, there is some text. The man in the drawing appears to be a physicist, as indicated by the text.

The image shows a black and white drawing of a man wearing a coat and spectacles. At the bottom of the image, there is some text. The man in the drawing appears to be a physicist, as indicated by the text.Open in library