The Nobel Prize in Chemistry 1969
Derek Barton, Odd Hassel
Born: 17 May 1897, Kristiania (now Oslo), Norway
Died: 11 May 1981, Oslo, Norway
Affiliation at the time of the award: University of Oslo, Oslo, Norway
Prize motivation: "for their contributions to the development of the concept of conformation and its application in chemistry"
Field: organic chemistry, stereochemistry