Dr. Dyson did not begrudge Feynman, Schwinger and Tomonaga the Nobel they received in 1965. “I think it’s almost true without exception if you want to win a Nobel Prize, you should have a long attention span, get hold of some deep and important problem and stay with it for 10 years,” he told The Times Magazine in 2009. “That wasn’t my style.”

NYT Obituary of Freeman Dyson