Picture of Muller, author of "Handbook of Human Physiology", sitting in a chair, leaning his left elbow on a table, holding a book in his left hand, and with his right hand in his jacket.
Portrait of Paul Froerus (Freherus) and his great grandson Marquardus, both physicians, with a brief family genealogy in Latin beneath. The initials "P. F." and three coats of arms are incorporated in the picture.
Portrait of Matthias Jakob Schleiden, who developed the concept of the cell as the essential unit of all things, and recognized the nucleus as the controlling factor in cells.