1762
In terms of geology , Shen Kuo is one of the first naturalists to have formulated a theory of geomorphology .
 person: Shen Kuo
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: Shen Kuo