When he returned to the United States , Mr. Cohen became a student of Ivan Galamian at the Juilliard School , and began a career as a freelance violinist .
Ivan Galamian /business/person/company Juilliard School
WRB PRP VBD TO DT NNP NNPS , NNP NNP VBD DT NN IN NNP NNP IN DT NNP NNP , CC VBD DT NN IN DT NN NN .
Ivan Galamian
PERSON
Juilliard School
ORGANIZATION
/business/person/company