- 1923 - 1936
Head and shoulders portrait of a man facing left and looking toward the front. He is wearing glasses, a jacket, collared shirt, and a bow tie. He is wearing a pin with the letters “AMA” at the top. The text “Dr Langley Porter” and the number 8 are written on the negative and are visible on the right side of the image. The man is probably Dr. Robert Langley Porter.