caption: The image shows an old book with a picture of a man in a suit and tie on the cover page. The text on the paper reads "Recueil des pieces qui ont remporte les prix de l'academie royale des sciences". The man in the picture is wearing a navy blue suit with a white shirt and a red tie. He has a serious expression on his face and is looking off to the side. The background of the image is a light blue color.