Dinner in honor of Nobel Prize Winners, 8:00PM. President John F. Kennedy and First Lady Jacqueline Kennedy stand with Nobel Prize winners from the Western Hemisphere at a dinner in their honor. Front row (L-R): physicist from Harvard University, Dr. Georg von Békésy; author, Pearl S. Buck; physicist from the California Institute of Technology, Dr. Rudolf L. Mössbauer; writer, Mary Welsh Hemingway (widow of Nobel Prize-winning author, Ernest Hemingway); President Kennedy; Katherine Tupper Marshall (widow of Nobel Prize winner and former Secretary of State, General George C. Marshall); biochemist from the University of California, Berkeley, Dr. Melvin Calvin; Mrs. Kennedy; and physicist from Stanford University, Dr. Robert Hofstadter. Also pictured: President of the University of Chicago, Dr. George W. Beadle; Dr. Joseph Erlanger, of the Washington University School of Medicine in St. Louis; chemist from Cornell University, Dr. Peter J. W. Debye; rheumatologist with the Mayo Clinic, Dr.