caption: The image shows an engraving of a man in a black and white photo frame, with a book and other objects at the bottom. The text on the paper reads "C.H. Van der Aa". The man in the photo frame has a serious expression on his face, and his hair is neatly combed. He is wearing a white shirt and a black coat. The book he is holding is open, and the other objects around him include a pen, a book, and a few other items.