Percy Julian invented the fire extinguisher, Aero-Foam. It was extensively used during World War II, and was referred to as the United States Navy's "bean soup." More »

Influential people in black history include Percy Julian, Maya Angelou, George Washington Carver and Frederick Douglass. Areas of black history that are most often celebrated are science, entertainment, education and civ... More » History Modern History US History’s “African American Inventors Black History Month for Kids” and National Geographic for Kids’ article “Black Inventors and Pioneers of Science” are good lists of famous black inventors for younger k... More »

T.J. Marshall is credited with improving the design of the fire extinguisher, with a patent issued on March 26, 1872. He invented a system in which water is pumped through pipes in buildings to individual sprinkler heads... More »

Regarded as one of the greatest mathematicians of all time, Archimedes invented a method known as Archimedes’ principle. It is a method used for determining the volume of an asymmetrical object. Archimedes of Syracuse wa... More »

Polish astronomer Nicolas Copernicus, considered the father of modern astronomy, is also, for all intents and purposes, the inventor of the globe. To illustrate his belief that the Earth was spherical, Copernicus built g... More »

Italian astronomer Galileo Galilei was the inventor of the first pendulum clock, after his discovery of isochronism, which is the time that the pendulum takes to swing. Contrary to popular belief, Galileo was not the inv... More »