5002
He began to practice its teachings , which he believed to be beneficial to his health and to his fiery temperament and to which he remained faithful for the rest of his life , according to biographer Simon Morrison .
 person: Simon Morrison
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: Simon Morrison