(b Vienna, 1930; d London, 2011).
Austrian‐born Eng. pianist and harpsichordist, son of singing‐teacher Hélène Isepp. Worked with EOG in 1950s. On staff Glyndebourne Opera 1957–93 (chief coach 1973–8, head of mus. staff 1978–93). Head of opera training, Juilliard Sch. 1973–7; head of mus. studies, Nat. Opera Studio from 1978. Assoc. with opera training schools in Banff, Alberta, and Ischia. Acc. to several leading singers. Has cond. Mozart operas at NY Met, Glyndebourne, and with GTO.