Anfinsen wearing white lab coat, working with chemical apparatus in laboratory. Christian Boehmer Anfinsen, Jr. (1916-1995) was an American biochemist. He shared the 1972 Nobel Prize in Chemistry with Stanford Moore and William Howard Stein for work on ribonuclease, especially concerning the connection between the amino acid sequence and the biologically active conformation. Anfinsen published more than 200 original articles, mostly in the area of the relationships between structure and function in proteins. He was also a pioneer of ideas in the area of nucleic acid compaction.