High Quality Content by WIKIPEDIA articles! Baruch Samuel "Barry" Blumberg (July 28, 1925 – April 5, 2011) was an American doctor and co-recipient of the 1976 Nobel Prize in Physiology or Medicine (with Daniel Carleton Gajdusek) for work on kuru, the first human prion disease demonstrated to be infectious, and the President of the American Philosophical Society from 2005 until his death.