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Although he died in 1971 , it was not until the mid-1980 s that his true birth date , August 4 , 1901 , was discovered by Tad Jones by researching baptismal records .
 person: Tad Jones
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: Tad Jones