68510
In 1909 he moved to Montparnasse and met Alexander Archipenko , Jacques Lipchitz , Marc Chagall , Joseph Csaky and Robert Delaunay .
 Montparnasse, Alexander Archipenko, Jacques Lipchitz, Marc Chagall, Joseph Csaky, Robert Delaunay
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Montparnasse, Alexander Archipenko, Jacques Lipchitz, Marc Chagall, Joseph Csaky, Robert Delaunay