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During this period of time , Alex Kurtzman and Chris Morgan left their roles as co-architects of the franchise , By January 2019 , the studio announced plans to develop individualized films , with stand-alone installments .
 Alex Kurtzman, Chris Morgan
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Alex Kurtzman, Chris Morgan