8506
Fleischer had invented the rotoscope , which allowed him to make animations from live action film scenes , and the Fleischer Studios capitalized on the innovative process to rival Walt Disney as a top animation studio of the period .
 Fleischer, Fleischer Studios, Walt Disney
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Fleischer, Fleischer Studios, Walt Disney