DALL-E 3 PROMPT USED: Generate a 1024x1024 pixel image of an elderly Caucasian man, styled in black and white. The man is a historian, indicated subtly by his thoughtful expression, his attire suggesting intellectual engagement. He wears stylish glasses characteristic of scholar individuals. The image is a yearbook-like shoulder-up portrait, ensuring all details of the man and his clothing are visible under proper lighting. The composition is occupied by only one model, makes sure that no text appears anywhere in the image.