James Cronin

James Watson Cronin (September 29, 1931 – August 25, 2016) was an American nuclear physicist. Cronin and co-researcher Val Logsdon Fitch were awarded the 1980 Nobel Prize in Physics for a 1964 experiment that proved that certain subatomic reactions are not the same as to fundamental symmetry principles (called CP violation).National Science Foundation - The President's National Medal of Science

Cronin died on August 25, 2016 in Saint Paul, Minnesota at the age of 84.

References

Other websites
 Biography and Bibliographic Resources, from the Office of Scientific and Technical Information, United States Department of Energy
 Cronin's Nobel lecture on CP Symmetry Violation
 James Watson Cronin at Nobel-winners.com
 James Cronin at nobelprize.org
  the discovery of violations of fundamental symmetry principles in the decay of neutral K-mesons. 
 Short biography at the University of Chicago 

Category:1931 births
Category:2016 deaths
Category:American physicists
Category:Scientists from Chicago
Category:Nobel Prize in Physics winners