Amer. str. qt. formed 1964 in Vermont at suggestion of Alexander Schneider. Members were Arnold Steinhardt (b Los Angeles, 1937) and John Dally (b Madison, Wisc., 1936) vns., Michael Tree (b Newark, NJ, 1935) va., and David Soyer (b Philadelphia, 1925; d New York, 2010) vc. Visited London 1970 to perf. all Beethoven's quartets, which it has also recorded.