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Its steering committee was later joined by the intellectual and political figures Constantin Rădulescu-Motru , Nicolae Xenopol , and Nicolae Filipescu , as well as by the painter Jean Alexandru Steriadi .
 Constantin Rădulescu-Motru, Nicolae Xenopol, Nicolae Filipescu, Jean Alexandru Steriadi
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:
 Constantin Rădulescu-Motru, Nicolae Xenopol, Nicolae Filipescu, Jean Alexandru Steriadi