Photograph of Vladimir Korenchevsky with the inscription: "To E. C. Hamblen in appreciation of his excellent endocrinological work from V. Korenchevsky. Oxford, 1940."
Ridlon, on left, sitting with his arm on the back of his chair, with another man on the right leaning on a small table. On verso "Dr. Ridlon and Dr. Weatherson resting, after the day's work".