He studied composition in the early 1960s with Pierre Boulez in France and Karlheinz Stockhausen in Germany .
Pierre Boulez /people/person/nationality France
Karlheinz Stockhausen /people/person/nationality Germany
PRP VBD NN IN DT JJ NNS IN NNP NNP IN NNP CC NNP NNP IN NNP .
Pierre Boulez
PERSON
France
LOCATION
/people/person/nationality
Karlheinz Stockhausen
PERSON
Germany
LOCATION
/people/person/nationality