Robert Francis Furchgott was an American Nobel Prize winning biochemist who contributed to the discovery of nitric oxide as a transient cellular signal in mammalian systems. The Nobel Prize in Physiology or Medicine 1998, announced October 12, 1998. Robert F. Furchgott, Louis J. Ignarro, and Ferid Murad, “for their discoveries concerning nitric oxide as a signalling molecule in the cardiovascular system”. Robert F. Furchgott: born 1916, Charleston, SC, USA. Louis J. Ignarro: born 1941, Brooklyn, NY, USA. Ferid Murad: born 1936, Whiting, IN, USA. Wiki link Wiki link Wiki link Data: the Nobel Foundation (CC0).