Amer. orch. founded in Washington DC, 1931 by Hans Kindler, who was cond. until 1948, when Howard Mitchell succeeded him. Mitchell was succeeded by Antal Dorati, 1970–6, Rostropovich 1977–94, Leonard Slatkin from 1996. From 1971 concerts given in Kennedy Center for the Performing Arts. Orch. toured Russ. with Rostropovich 1990.