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He studied art at the Escuela de Arte para Trabajadores ( Art School for Workers ) and later studied with noted artist Ramón Alva de la Canal .
 Ramón Alva de la Canal
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ramón Alva de la Canal