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At the instigation of Langlois , he went out to the newly independent Algeria and helped found the Cinémathèque Nationale Algérienne first with Ahmed Hocine and later with Boudjema Karèche and helped organise the “ Rencontres des Cinémas du Monde ” at the first Panafrican Cultural Festival in 1969 ( the second was forty years later in August 2009 ) .
 Langlois
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Langlois