A black and white photo of mathematician Bernard Riemann. He is sitting next to a table, legs crossed and looking just to the side of the camera. Riemann is wearing a dark suit. He has a pair of small eyeglasses on, and a full beard.
https://files.mastodon.social/media_attachments/files/111/081/315/838/854/201/original/1f491eb29a05ff62.jpeg