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In 1569 , mapmaker Gerardus Mercator first published a map based on his Mercator projection , which uses equally-spaced parallel vertical lines of longitude and parallel latitude lines spaced farther apart as they get farther away from the equator .
 person: Gerardus Mercator
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Gerardus Mercator 
Answer:
 person: Gerardus Mercator