
Benjamin Banneker
(1731-1806) Born into a family of free blacks in Maryland, Banneker learned the rudiments of reading, writing, and arithmetic from his grandmother and a Quaker schoolmaster. Later he taught himself advanced mathematics and astronomy. He is best known for publishing an almanac based on his astronomical calculations.
Dr. Daniel Hale Williams
(1856-1931) Williams was born in Pennsylvania and attended medical school in Chicago, where he received his M.D. in 1883. He founded the Provident Hospital in Chicago in 1891, and he performed the first successful open heart surgery in 1893.
George Washington Carver
(1865?-1943) Born into slavery in Missouri, Carver later earned degrees from Iowa Agricultural College. The director of agricultural research at the Tuskegee Institute from 1896 until his death, Carver developed hundreds of applications for farm products important to the economy of the South, including the peanut, sweet potato, soybean, and pecan.
Percy L. Julian
(1899-1975) Alabama-born Julian held a bachelor's degree from DePauw University, a master's degree from Harvard University, and a Ph.D. from the University of Vienna. His most famous achievement is his synthesis of cortisone, which is used to treat arthritis and other inflammatory diseases.
Dr. Charles Richard Drew
(1904-1950) Born in Washington, D.C., Drew earned advanced degrees in medicine and surgery from McGill University in Montreal, Quebec, in 1933 and from Columbia University in 1940. He is particularly noted for his research in blood plasma and for setting up the first blood bank.
Thomas L. Jennings
(1791-1859) A tailor in New York City, Jennings is credited with being the first African American to hold a U.S. patent. The patent, which was issued in 1821, was for a dry-cleaning process.
Elijah McCoy
(1844-1929) The son of escaped slaves from Kentucky, McCoy was born in Canada and educated in Scotland. Settling in Detroit, Michigan, he invented a lubricator for steam engines (patented 1872) and established his own manufacturing company. During his lifetime he acquired 57 patents
Lewis Howard Latimer
(1848-1929) Born in Chelsea, Mass., Latimer learned mechanical drawing while working for a Boston patent attorney. He later invented an electric lamp and a carbon filament for light bulbs (patented 1881, 1882). Latimer was the only African-American member of Thomas Edison's engineering laboratory.
Granville T. Woods
(1856-1910) Woods was born in Columbus, Ohio, and later settled in Cincinnati. Largely self-educated, he was awarded more than 60 patents. One of his most important inventions was a telegraph that allowed moving trains to communicate with other trains and train stations, thus improving railway efficiency and safety.
Garrett Augustus Morgan
(1877-1963) Born in Kentucky, Morgan invented a gas mask (patented 1914) that was used to protect soldiers from chlorine fumes during World War I. Morgan also received a patent (1923) for a traffic signal that featured automated STOP and GO signs. Morgan's invention was later replaced by traffic lights
Frederick McKinley Jones
(1892-1961) Jones was born in Cincinnati, Ohio. An experienced mechanic, he invented a self-starting gas engine and a series of devices for movie projectors. More importantly, he invented the first automatic refrigeration system for long-haul trucks (1935). Jones was awarded more than 40 patents in the field of refrigeration.
David Crosthwait, Jr.
(1898-1976) Born in Nashville, Tennessee, Crosthwait earned a B.S. (1913) and M.S. (1920) from Purdue University. An expert on heating, ventilation, and air conditioning, he designed the heating system for Radio City Music Hall in New York. During his lifetime he received some 40 U.S. patents relating to HVAC systems.
Patricia Bath
(1942-) Born in Harlem, New York, Bath holds a bachelor's degree from Hunter College and an M.D. from Howard University. She is a co-founder of the American Institute for the Prevention of Blindness. Bath is best known for her invention of the Laserphaco Probe for the treatment of cataracts.