Phi Beta Kappa has elected its Senior Sixteen. They are: Donald M. Berwick of Winthrop House and Moodis, Conn.; James F. Coakley of Leverett and Arlington, Va.; Bruce C. Dieffenbach of Winthrop and Washington, D.C.; Stephen W. DeYoung of Adams and Rochester, N.Y.; Richard S. Ellis of Winthrop and Dorchester; and also Irwin Gaines of Lowell and New Rochelle, N.Y.; Ira G. Greenberg of Dunster and Miami, Fla.; Walter Jaros of Adams and Great Neck, N.Y.; and Michio Kaku of Leverett and Palo Alto, Calif.

Also elected were Joseph A. Kay of Dudley and Arlington; Alexander Keyssar of Leverett and Maplewood, N.J.; Harry R. Lewis of Quincy and Wellesley Hills; Marc E. Mann of Adams and Cleveland, Miss.; Marsel Mesulam of Eliot and Istanbul, Turkey; Henry R. Norr of Adams and Newton; and Frederick P. Schaffer of Dunster and Scarsdale, N.Y.