(b Philadelphia, 1915; d Philadelphia, 1987).
Amer. composer, conductor, and teacher. Teacher of comp. at Philadelphia Cons. 1941–7 and at Juilliard Sch. from 1947 (chairman of comp. dept. from 1963). Publishing executive and lecturer. Prolific and fluent composer in wide range of styles. Works incl. opera The Sibyl (1976); 9 syms.; 15 serenades; pf. conc.; 12 pf. sonatas; 6 pf. sonatinas; 9 hpd. sonatas; 4 str. qts.; septet King Lear; pf. quintet; Stabat Mater; songs; and 25 works (1965–86), mostly for solo instr., under name Parable. Wrote Twentieth‐Century Harmony (NY, 1961).