Mop Top the Hip Hop Scientist Celebrates African-Americans in the Sciences
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Ben Carson
George Washington Carver
Bessie Coleman
Charles Drew
Marc Hannah
Euphemia Haynes
Mae Jemison
Katherine Johnson
Lonnie Johnson
Earl Lucas
Elijah McKoy
Garrett Morgan
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en·gi·neer- a person who designs, builds, repairs, or maintains machines, engines, or other products that are useful to people.