MILESTONES: Milestones, Jul. 11, 1955

Died. Harry Agganis, 25, Boston Red Sox first baseman and former Boston University football and baseball star; of a massive pulmonary embolism; in Cambridge, Mass.

Died. Isabel Bonner, 47, stage, television and radio actress (Uncle Harry, Omnibus, The Right to Happiness), wife of Playwright Joseph Kramm (The Shrike), 1952 Pulitzer Prizewinner; of cerebral hemorrhage; on the stage of Hollywood's Carthay Circle Theater during the first act of a performance of The Shrike, in which she was playing the title role.

Died. Alexandrovich Gamburtsev, 52, leading Russian seismologist, director of the Geophysical Institute of the Soviet Academy of Sciences; in Moscow.

Died. Rudolf Appelt,...