Davis begins the film with a tour of the U.S. Patent Office in Virginia, a facility that processes over four million patents yearly. The film profiles the following scientists: •
Louis Latimer; an African American collaborator with Thomas Edison. Latimer is credited with numerous patents including advances in electricity • Randall Woods; an African American inventor responsible for over sixty railroad industry patents including the three-rail system currently used in subway cars •
George Washington Carver; African-American inventor and scientist at Tuskegee Institute. he is noted for his agricultural and chemical research with numerous plants including peanuts. •
Garrett Morgan; an African American inventor who patented the traffic signal • Dr.
Charles Drew; an African-American physician, who modernized methods to preserve blood plasma. • Dr.
An Wang; an Asian-American inventor with patents involving the basic digital computer machine. •
Philip Stevens; a
Native American inventor of defense system missiles. • Ysidore Martinez; an Hispanic American inventor of knee implants for victims of arthritis. • Dr.
Meredith Gourdine; an African-American inventor responsible for designing a fog dispersal system used on airport runways. • Mildred Smith; an African-American inventor of the genealogy game "Family Traditions". ==Cast and crew==