1984 - Science

Science

Mathematician Stanislaw M. Ulam dies after a heart attack at Santa Fe, N.M., May 13 at age 78; Nobel physicist Pyotr Kapitsa at Moscow April 8 at age 89; paleontologist George G. Simpson of pneumonia at Tucson, Ariz., October 6 at age 82; Nobel physicist Paul Dirac at Talahassee, Fla., October 20 at age 82. He has taught at Florida State University since 1971 after a long career at Cambridge; Nobel radio astronomer Martin Ryle dies of cancer at Cambridge, Cambridgeshire, October 16 at age 66.