Konrad Bloch (Germany-USA) biochemist and Nobel laureate. "The father of Cholesterol", Bloch served as professor of Biochemistry at Columbia, University of Chicago, and Harvard University. He was active in American Cancer Society, the U.S. Public Health Service, and the National Institute of Neurological Diseases and Blindness as well as associate editor of the Journal of Biological Chemistry. He published hundreds of papers. Bloch was awarded the Nobel Prize in Physiology and Medicine in 1964 "for discoveries of the mechanism of cholesterol and fatty acid metabolism".