(b Newark, NJ, 1916).
Amer. cellist and teacher. Prin. cellist CBS SO 1938–42; member Dorian Str. Qt. 1939–42, Navy Str. Qt. 1942–5. Recital début NY 1946, annual recitals to 1957. Taught at Juilliard Sch. 1951–61. Member, Harpsichord Qt. 1947–51, Bach Aria Group 1948–76. Founder member Beaux Arts Trio 1955–87. Prof. of vc., Manhattan Sch. of Mus., NY, 1950–82; Juilliard Sch. 1951–61; Hartt Cons., Hartford, 1956–65; Indiana Univ. Sch. of Mus., Bloomington, summers 1956–65; State Univ. of NY 1960–85; New Eng. Cons., Boston, from 1986; State Univ. of NJ from 1987.