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The apparent paradox formed part of a dispute over the nature of infinity involving many of the key thinkers of the time including Thomas Hobbes , John Wallis and Galileo Galilei .
 person: Thomas Hobbes; person: John Wallis; person: Galileo Galilei
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: Thomas Hobbes; person: John Wallis; person: Galileo Galilei