I've got an idea!

By Gloria Borseth Swanson

Subjects: Juvenile literature, Athletes, Athletes, juvenile literature, Blacks, African Americans, Blacks, biography, Biography, African American inventors, African american inventors, African americans, biography, Inventors

Description: A biography of the black engineer and inventor credited with many inventions, including refrigeration units for trucks and railroad cars, portable X-ray units, and the ticket dispenser.