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A number of innovators , including Paul Zoll , made smaller but still bulky transcutaneous pacing devices from 1952 using a large rechargeable battery as the power supply .
 person: Paul Zoll
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: Paul Zoll