STEM-Inventor
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...
Alice H. Parker (1895-?)
Alice H. Parker was an African American inventor famous for her patented system of central heating using natural gas. In the 1920s...
Charles B. Brooks (1865-?)
Charles B. Brooks was an American inventor, who is best known for his patented improvements to the street sweeper in 1896....
