Mr. Allner was decidedly restless , and so after graduating he worked in the Netherlands under Piet Zwart , an influential Dutch typographer , and in Paris with the poster artists Jean Carlu and A. M. Cassandre .
Piet Zwart /people/person/nationality Netherlands
NNP NNP VBD RB JJ , CC RB IN VBG PRP VBD IN DT NNP IN NNP NNP , DT JJ JJ NN , CC IN NNP IN DT NN NNS NNP NNP CC NNP NNP NNP .
Piet Zwart
PERSON
Netherlands
LOCATION
/people/person/nationality