Madam C.J. Walker created specialized hair products for African American hair care and was one of the first American women to become a self-made millionaire.

Garrett Morgan blazed a trail for African American inventors with his patents, including those for a hair-straightening product, a breathing device, a revamped sewing machine and an improved traffic signal.

Known as "Black Edison," Granville Woods was an African American inventor who made key contributions to the development of the telephone, streetcar and more.

African American chemist Percy Julian was a pioneer in the chemical synthesis of medicinal drugs such as cortisone, steroids and birth control pills.

Elijah McCoy was a 19th century African American inventor best known for inventing lubrication devices used to make train travel more efficient.

James West is a U.S. inventor and professor who, in 1962, developed the electret transducer technology later used in 90 percent of contemporary microphones.

George Washington Carver was an African American scientist and educator. Carver is famous for many inventions including a number of uses for the peanut.

Lonnie G. Johnson is a former Air Force and NASA engineer who invented the massively popular Super Soaker water gun.

Scientist George Carruthers created inventions, such as the ultraviolet camera, or spectograph, which was used by NASA in the 1972 Apollo 16 flight, revealing the mysteries of space and the Earth's atmosphere.

Patricia Bath was the first African American to complete a residency in ophthalmology and the first African American female doctor to receive a medical patent. She invented the Laserphaco Probe for cataract treatment in 1986.

Lewis Howard Latimer was an inventor and draftsman best known for his contributions to the patenting of the light bulb and the telephone.

Computer scientist and engineer Mark Dean is credited with helping develop a number of landmark technologies, including the color PC monitor, the Industry Standard Architecture system bus and the first gigahertz chip.

Otis Boykin’s noteworthy inventions include a wire precision resistor and a control unit for the pacemaker. When he died in 1982, he had 26 patents in his name.