98497
His definition of liberty , influenced by Joseph Priestley and Josiah Warren , was that the individual ought to be free to do as he wishes unless he harms others .
 Joseph Priestley, Josiah Warren
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:
 Joseph Priestley, Josiah Warren