caption: The image shows a black and white engraving of a man with a long beard. The man is believed to be Galileo Galilei, as indicated by the text at the bottom of the image which reads "Galileo Galilei". He is wearing a white robe and has a serious expression on his face. His hair is dark and his eyes are focused intently on something in the distance. His beard is full and well-groomed, and his hands are clasped in front of him.