3002
Benjamin Julian Kaston ( July 2 , 1906 – August 24 , 1985 ) was an American arachnologist .
 person: Benjamin; person: Kaston
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Benjamin; person: Kaston