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Keith George Wilson ( 19 September 1941 – 6 July 2011 ) was an award-winning production designer who began work at AP Films , working as art assistant on Fireball XL5 ( 1963 ) and many other Gerry Anderson productions to follow .
 Keith, Wilson, AP Films
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Keith, Wilson, AP Films