199765
It is the University of Massachusetts Amherst ’s Prof. Sims who credits Joseph Mitchell , John McNulty and other short piece writers at Harold Ross ’ designedly succoring The New Yorker magazine with evolving an early 20th century reformer news writer ’s practice into a separate literary genre .
 University of Massachusetts Amherst, Joseph Mitchell, McNulty, Harold Ross
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 University of Massachusetts Amherst, Joseph Mitchell, McNulty, Harold Ross