Baruch Samuel Blumberg (1925 – 2011), aka Barry Blumberg, was an American physician, geneticist, co-recipient of the 1976 Nobel Prize in Physiology or Medicine (with Daniel Carleton Gajdusek), for his work on the hepatitis B virus. He was also the first director of NASA Astrobiology Institute.
He was also president of the American Philosophical Society from 2005 until his death. Blumberg and Gajdusek received the Nobel Prize for discovering “new mechanisms for th