His radical aesthetic shift did not please his father , who denounced Maurer 's post-Impressionist canvases when they were shown in New York by Alfred Stieglitz in 1909 , five years before the Armory Show introduced Americans to European modernism .
Alfred Stieglitz /people/deceased_person/place_of_death New York
PRP$ JJ JJ NN VBD RB VB PRP$ NN , WP VBD NNP POS JJ NNS WRB PRP VBD VBN IN NNP NNP IN NNP NNP IN CD , CD NNS IN DT NNP NNP VBD NNPS TO JJ NN .
Alfred Stieglitz
PERSON
New York
LOCATION
/people/deceased_person/place_of_death