Leon Cooper Dies at 94; Nobelist Unlocked Secrets of Superconductivity

Leon N. Cooper, a Nobel-winning physicist who helped unlock the secret of how some materials can convey electricity without resistance, a phenomenon called superconductivity, and who did pioneering work in understanding how memory and the brain work, died on Wednesday at his home in Providence, R.I. He was 94. His death was confirmed by his daughter Coralie Cooper. Dr. Cooper, a longtime professor at Brown University, was something of a bon vivant on its campus in Providence, where he could be seen driving around in a sporty 1968 Chevrolet Camaro...