Mr. Sharpless joins an elite band of scientists who have won two Nobel prizes. The other individuals are John Bardeen who won the Physics prize twice, Marie Curie, who won Physics and Chemistry, Linus Pauling who won Chemistry and Peace and Frederick Sanger who won the Chemistry prize twice.
The awards in physics were given for “experiments with entangled photons, establishing the violation of Bell inequalities and pioneering quantum information science”, the academy said.