1699
In 1841 , Léon Escudier wrote of a recital given by Chopin that year , " One may say that Chopin is the creator of a school of piano and a school of composition .
 Léon Escudier, Chopin, Chopin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Léon Escudier, Chopin, Chopin