9620
The museum is close to the site where Dud Dudley first mastered the technique of smelting iron with coal instead of wood charcoal and making iron enough for industrial use .
 person: Dud Dudley
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: Dud Dudley