(b San Rafael, Argentina, 1915; d Bologna, 2007).
Argentinian conductor of It. parentage. Moved to It. as child. Began career as violinist, but changed to cond. at Odessa Opera, 1942. Formed chamber orch. Bologna 1946. Cond. Orchestra Sinfonia del Estado, Buenos Aires, 1949–51. Brit. début Glyndebourne 1961; Chicago Opera 1961; CG 1964 (Tosca, with Callas and Gobbi); NY Met 1972. Cond. at Royal Opera, Stockholm, from 1980, Drottningholm 1982–4. Mus. dir. Elizabethan Opera Trust, Sydney, NSW, 1970–1. Prin. guest cond. and mus. dir. Australian Opera 1988–2003.