A substance known as the “transfer factor,” which could enhance the body’s defenses against a wide variety of infectious agents.


New York University School of Medicine


H. Sherwood Lawrence, MD, director of NYU Langone’s Cancer Center from 1974 to 1979, and director of its AIDS Research Center from 1989 to 1994


The “transfer factor” ’is a product of T-lymphocytes. When transferred from immune to non-immune animals, it can enhance the body’s immune system. Dr. Lawrence also identified a link between the way cells respond immunologically to microbes like the bacterium that causes tuberculosis, and conducted research on the immune responses involved in the rejection of transplanted organs.


Discovery in 1949.