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Gerald of Wales claimed to have seen these birds hanging down from pieces of timber , William Turner accepted the theory , and John Gerard claimed to have seen the birds emerging from their shells .
 person: Gerald of Wales; person: William Turner; person: John Gerard
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: Gerald of Wales; person: William Turner; person: John Gerard