STEM-Inventor
Alfred L. Cralle (1866–1920)
Alfred L. Cralle was an African American businessman and inventor best known for inventing the ice cream scoop in 1897. Cralle was born on...
Frederick McKinley Jones (1893-1961)
Frederick McKinley Jones was a prolific early 20th Century black inventor who helped to revolutionize both the cinema and refrigeration...
Dennis Weatherby (1959-2007)
Dennis W. Weatherby was an administrator and scientist, responsible for leading the team that developed the chemical formula for what...
Leonard C. Bailey (1825-1918)
Leonard Bailey was an African American inventor and businessman in Washington, D.C., in the 19th and early 20th centuries. Born in 1825 to an impoverished...
William B. Purvis (1838-1914)
William B. Purvis was an American inventor, best known for his patented improvements to the fountain pen in 1890. Purvis was...
Matthew Cherry (1834-?)
Matthew A. Cherry, the inventor of the tricycle, was born on February 5, 1834 in Washington, D.C. While not much is known about...
Thomas Mensah (1950- )
Dr. Thomas Mensah is a world-renowned Ghanaian-American inventor and chemical engineer. Mensah is most well-known for his pioneering innovations in...
Sarah Boone (1832-1904)
Sarah Boone was an American inventor best known for her patented improvements to the ironing board. She was one of the first...
Henry Blair (1807-1860)
Henry Blair was an African-American inventor who, in 1834, became only the second black man to receive a United States patent for...
