He was the first African-American to receive a patent. It was for a dry-cleaning process, in 1821. He used the money earned from the patent to purchase relatives out of slavery and support abolitionist causes.

He was a physicist and engineer. He was an inventor with dozens of patents dealing with gas dispersion and conversion. He was also a star athlete who won a silver medal in the long jump in the 1952 Olympics in Helsinki, Finland.

He was an African American chemist, who contributed to the science of food preservation. By the end of his career, Hall had amassed 59 United States patents, and a number of his inventions were also patented in other countries.

She is an American medical physicist known for her development of a novel cancer treatment using laser-activated nanoparticles. She is one of only 66 black women to earn a Ph.D. in physics in the United States between 1973 and 2012

He was an American inventor who held more than 50 patents. He is also the first American of African ancestry to be a mechanical and electrical engineer after the Civil War. Self-taught, he concentrated most of his work on trains and streetcars. One of his notable inventions was the Multiplex Telegraph, a device that sent messages between train stations and moving trains. His work assured a safer and better public transportation system for the cities of the United States

He invented the "Jenny Coupler" in 1897, a device which allowed train cars to hook themselves together when they are bumped into one another. The device saved the lives of many railroad workers, who originally had the dangerous job of hooking the moving cars together by hand.

Name the disease that African Americans are disproportionately liable to suffer that can lead to stroke, swollen hands and pneumonia.

She was the first African American female pediatric surgeon board certified in the United States and is an internationally recognized leader in pediatric surgery and pediatric oncology. She was the first surgeon to perform cytoreductive surgery and Hyperthermic Intraperitoneal Chemotherapy (HIPEC) in a pediatric patient. She is currently the chief of Pediatric Medicine at the UNC School of Medicine in Chapel Hill, NC

He was an American physicist and NASA astronaut. He died during the launch of the Space Shuttle Challenger. In the summer of 1959, he refused to leave the segregated Lake City (SC) Public Library without being allowed to check out his books. After the police and his mother were called, he was allowed to borrow books from the library, which is now named after him.

He is a physicist, mathematician and an engineer, earned a PhD. in mathematics at age 19 from the University of Chicago in 1942. Entering the University at age 13, he was its youngest student ever.

Who invented the first ever shoe making machine. It could make up to 700 hundred pairs of shoes in a ten hour work day. Humans could only make 50.

He is an American physicist and inventor who worked primarily for IBM and NASA. He was inducted into the National Inventors Hall of Fame in 2015. He received his Bachelor's degree with honors while earning eight letters in basketball and football. He earned a Master of Science in Nuclear Physics in 1963 from Howard University, after nine months of study.

Calculating the trajectories for lunar or moon landings is work of very high precision and very low margins of error. She is an African American female pioneering in the mathematics of interplanetary navigation, spent 30 years at NASA and is honored with plaques containing her name.

He is from Duluth, Minnesota. He patented an electric elevator in 1887 with automatic doors that would close off the shaft way, thus making elevators safer.

She was the first African-American woman to be formally certified as a doctor, graduating as the valedictorian of the New York Medical College for Women in 1869.

She was an African-American surgeon, legislator, and teacher. She was the first female surgeon of African-American ancestry from the Southeastern United States. She was also the first African American to serve in the Tennessee General Assembly having been elected to the Tennessee House of Representatives.

Dr. Susan McKinney

Name the nation's leading researcher that worked on the Sickle Cell illness for five decades. He worked at Howard University.

During the 1930's and 1940's, He gained international fame for his work on the dynamics of egg fertilization and cell structure. At age 32, he received the Spingarn Medal from the NAACP, its highest recognition for the individual whose work contributed most to the advancement of African Americans.

At 33 years old, he became director of the Department of Pediatric Neurosurgery at Johns Hopkins Hospital, and is renowned for successfully performing the intricate surgery that separated Siamese twins joined at the head