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Among the artists and engravers employed were Aaron Arrowsmith ( 1750 – 1823 ) who engraved the maps ; William Blake ( 1757 – 1827 ) who made engravings to illustrate some of the sculpture articles ; Thomas Milton ( 1743 – 1827 ) who engraved most of the natural history plates ; Wilson Lowry ( 1762 – 1824 ) who engraved numerous of the plates especially those relating to architecture , machinery and scientific instruments .
 person: Aaron Arrowsmith; person: William Blake; person: Wilson Lowry
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: Aaron Arrowsmith, William Blake, Wilson Lowry 
Answer:
 person: Aaron Arrowsmith; person: William Blake; person: Wilson Lowry