Baruch Samuel Blumberg, known as Barry Blumberg, was an American physician, geneticist, and co-recipient of the 1976 Nobel Prize in Physiology or Medicine, for his work on the hepatitis B virus while an investigator at the NIH and at the Fox Chase Cancer Center. He was president of the American Philosophical Society from 2005 until his death.

Daniel Carleton Gajdusek was an American physician and medical researcher who was the co-recipient of the Nobel Prize in Physiology or Medicine in 1976 for work on the transmissibility of kuru, implying the existence of an infectious agent, which he named an 'unconventional virus'.