Portrait of Rene Descartes sitting at a desk with a pen in his right hand and several books on a table in front of him. Drawn by Tacquand and engraved by Gartte.
Photograph of August Krogh, who showed that blood capacity for oxygen is influenced by carbon dioxide tension. Krogh was awarded the Nobel Prize in Physiology and Medicine in 1920.
Portrait of James Blundell. A curtain and shelves of books are shown in the background. Drawn by H. Room and engraved by J. Cochran. Facsimile signature.