caption: The image shows a drawing of a man wearing a hat and holding a book, created by Rembrandt Harmensz van Rijn in 1635. The man is depicted in a realistic style, with detailed facial features and clothing. He is wearing a wide-brimmed hat and a ruffled collar, and his hands are clasped in front of him. His expression is one of contemplation, as if he is deep in thought. The book he is holding is open, and the background is a muted grey color.