8019
The first known geared clock was invented the great mathematician , physicist and engineer Archimedes during the 3rd century BC .
 person: Archimedes
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: Archimedes 
Answer:
 person: Archimedes