252330
History French academic Émile Grosjean-Maupin was the original chief editor of the PV , with additional contributions over the years from Albert Esselin , Salomon Grenkamp-Kornfeld , and Gaston Waringhien .
 Gaston Waringhien
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Gaston Waringhien