Public domain photos

The image shows a man in a lab coat sitting at a desk, writing on a piece of paper with a pen. On the desk there are books and other objects, and in the background there are racks with various items. The image is in black and white.

The image shows a man in a lab coat sitting at a desk, writing on a piece of paper with a pen. On the desk there are books and other objects, and in the background there are racks with various items. The image is in black and white.Open in library