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One of these was by Sir John Floyer , a physician of Lichfield , who , struck by the remedial use of certain springs by the neighbouring peasantry , investigated the history of cold bathing and published a book on the subject in 1702 .
 John Floyer, Lichfield
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:
 John Floyer, Lichfield