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The first to publish was Johann Wilhelm Ritter in 1802 , albeit in an obscure journal , but over the next decade , it was announced repeatedly as a new discovery .
 person: Johann Wilhelm Ritter
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Johann Wilhelm Ritter 
Answer:
 person: Johann Wilhelm Ritter