89819
His next substantial work was with Claude Thornhill in 1947 with Gil Evans arranging and Gerry Mulligan as a composer .
 Claude Thornhill, Gil Evans, Gerry Mulligan
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Claude Thornhill, Gil Evans, Gerry Mulligan