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He also served as the first chairman of the Federal Power Commission under Herbert Hoover from 1930 to 1933 .
 organization: Federal Power Commission; person: Herbert Hoover
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:
 organization: Federal Power Commission; person: Herbert Hoover