File:Dr. Emmett W. Chappelle.jpg

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Summary

DescriptionDr. Emmett W. Chappelle.jpg	English: Dr. Emmett W. Chappelle at the National Inventors Hall of Fame induction ceremony in 2007
Date	6 March 2007
Source	https://www.nasa.gov/centers/goddard/images/content/171017main_chapelle.jpg
Author	NASA

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