Chemistry Nobel prizes by year, annotated list

Field: stereochemistry
1969Odd Hassel1897-1981organic chemistry, stereochemistry"for their contributions to the development of the concept of conformation and its application in chemistry"
1969Derek Barton1918-1998organic chemistry, stereochemistry"for their contributions to the development of the concept of conformation and its application in chemistry"
1975Vladimir Prelog1906-1998organic chemistry, stereochemistry"for his research into the stereochemistry of organic molecules and reactions"
1975John Cornforth1917-2013organic chemistry, stereochemistry"for his work on the stereochemistry of enzyme-catalyzed reactions"