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Ludwig Mauthner ( April 13 , 1840 - October 20 , 1894 ) was an Austrian neuroanatomist and ophthalmologist who was a native of Prague .
 Ludwig Mauthner, Prague
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ludwig Mauthner, Prague