9122
A lengthy process of development followed throughout the 1970 s , during which Arthur P. Jacobs , Alejandro Jodorowsky , and Ridley Scott unsuccessfully tried to bring their visions to the screen .
 person: Arthur P. Jacobs; person: Alejandro Jodorowsky; person: Ridley Scott
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 person: Arthur P. Jacobs; person: Alejandro Jodorowsky; person: Ridley Scott