(b Zurich, 1917; d Siena, 2002).
Swiss violinist and conductor. Became member of Stefi Geyer Quartet and of Zurich String Trio. With Schneiderhan, founded Lucerne Festival Strings 1956, which he cond. on many tours and in many recordings (Salzburg Fest. début 1957, as soloist and cond.). Cond. f.ps. of Penderecki's Capriccio, 1965, and Ligeti's Ramifications, 1970. Arr. J. S. Bach's Art of Fugue and Musical Offering. Taught vn. Lucerne Cons. from 1954, dir. from 1960. Dir., Lucerne Fest., 1968–80.