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The novel appeared initially as a five part serial in " Galaxy Science Fiction " magazine published from June ( cover dated July ) to October ( cover dated November ) 1969 with illustrations by Jack Gaughan .
 person: Jack Gaughan
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Jack Gaughan