Short biographies of African American inventors and scientists from slavery to the twentieth century, such as Benjamin Banneker, George Washington Carver, MAtthew Henson, Garrett Morgan, Ernest Just, and Percy Jullian.
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Short biographies of African American inventors and scientists from slavery to the twentieth century, such as Benjamin Banneker, George Washington Carver, MAtthew Henson, Garrett Morgan, Ernest Just, and Percy Jullian.