A black and white photo of Alfred Russel Wallace. He stands with his right hand on the back of a chair, and his right knee resting on the chair. He is wearing light pants, a light vest and shirt, a long dark coat, a dark broad-brimmed hat, and glasses. Wallace has a mustache and beard. He is 38 or 39 in this 1862 photo.
https://files.mastodon.social/media_attachments/files/109/656/259/962/132/036/original/fea42df6443a7d80.jpeg