Rolf Liebermann
Born: 14th September 1910, Zurich, Switzerland
Died: 2nd January 1999, Paris, France
Nationality: Swiss
Rolf Liebermann was a Swiss composer and music administrator. He served as the Artistic Director of the Hamburg State Opera from 1959 to 1973 and again from 1985 to 1988. He was also Artistic Director of the Paris Opera from 1973 to 1980.
Read more at https://en.wikipedia.org/wiki/Rolf_Liebermann