Portrait of Carlo Gastone della Torre di Rezzonico Élisabeth Louise Vigée Le Brun (1755-1842)

The picture has something of this: people, furniture, man, portrait, wear, facial expression, sit, seat, elderly, woman, technology, eyeglasses, indoors, business, writer, book bindings, room.
Perhaps it’s a painting of a man sitting at a table with an open book in front of him with his hand on his head.