Konrad Emil Bloch was a German-American biochemist. Bloch received the Nobel Prize in Physiology or Medicine in 1964 for discoveries concerning the mechanism and regulation of the cholesterol and fatty acid metabolism. The Nobel Prize in Physiology or Medicine 1964, announced October 15, 1964. Konrad Bloch and Feodor Lynen, “for their discoveries concerning the mechanism and regulation of the cholesterol and fatty acid metabolism”. Konrad Bloch: born 1912, Neisse, Germany (now Nysa, Poland). Feodor Lynen: born 1911, Munich, Germany. Wiki link Wiki link Data: the Nobel Foundation (CC0).