- Roy Hudson listening in at the February 1976 NIH Director's Advisory Committee Meeting on Recombinant DNA1
- Royaumont Group1
- Ruby Cunningham opening a dog's head at the California State Hygienic Laboratory1
- Rural family in Caicara, Brazil with an officer from the malaria service1
- Ruth Sager and Bernard D. Davis1
- Ruth and Gertrude Sawyer with Freda Bage at their bungalow "Kudsia" in Colombo, Ceylon1
- S. M. Lambert in front of the office of the Hookworm Campaign in Bowen, Queensland, Australia1
- Sabin having a chest x-ray during the Denver x-ray campaign1
- Sabin holding National Achievement Award medal1
- Sabin seated at lab bench, working with slides1
- Sabin sitting at a lab bench with a microscope at the Rockefeller Institute1
- Sabin sitting in her lab at the Rockefeller Institute1
- Sabin speaking at Hobart and William Smith College, after receiving the Elizabeth Blackwell Award1
- Sabin with Dr. Cooper, Dr. Schaefer, an unknown colleague, and friend Dr. Henry Sewall, at the Rockefeller Institute1
- Salvador Luria and Dr. Eva R. Sansome at Cold Spring Harbor Laboratory1
- Salvador Luria and Lewis Stadler at Cold Spring Harbor Laboratory1
- Salvador Luria at Cold Spring Harbor Laboratory1
- Salvador Luria at the 1951 Cold Spring Harbor symposium1
- Salvador Luria cooking at home in Lexington, Massachusetts1
- Salvador Luria teaching at MIT1