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Samuel pierpoint langley
/sˈamjuːl pˈiəpɔɪnt lˈaŋɡlɪ/
/sˈæmjuːl pˈɪɹpɔɪnt lˈæŋɡli/Samuel pierpoint langley
01
United States astronomer and aviation pioneer who invented the bolometer and contributed to the design of early aircraft (1834-1906)
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