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The architect was Hermann Eggert ( 1844 – 1920 ) , who had already built , among other things , the Observatory of Strasbourg .
 person: Hermann Eggert; location: Observatory of Strasbourg
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: Hermann Eggert; location: Observatory of Strasbourg