Smithsonian Institution
Lemelson Center: Spark!lab: Inventor Profiles: Charlotte Cramer Sachs
Charlotte Cramer Sachs held the patents on many inventions. She invented quick baking products such as Joy muffin mixes, as well as accessories for dogs and musical games. One invention was a precursor to the retractable dog leash. A...
Smithsonian Institution
Lemelson Center: Spark!lab: Inventor Profiles: Joseph B. Friedman
Joseph B. Friedman invented the bendable straw, which he patented in 1937. Read about his life here and the history of this famous invention.
Smithsonian Institution
Lemelson Center: Spark!lab: Inventor Profiles: Charles F. Brannock
Charles F. Brannock's most famous invention was the Brannock Device. It is used worldwide today for measuring feet in order to determine proper shoe size. Original drawings for it can be viewed here, along with a biographical profile of...
Smithsonian Institution
Smithsonian Libraries: Innovators Gallery
Who invented the tennis racket, Crayola Crayons or Tupperware? Smithsonian site invites users to explore the achievements of a variety of American innovators and inventors.
National High Magnetic Field Laboratory
Magnet Academy: Crookes Tube 1870
English chemist Sir William Crookes (1832 - 1919) invented the Crookes tube to study gases, which fascinated him. His work also paved the way for the revolutionary discovery of the electron and the invention of X-ray machines.
Smithsonian Institution
Lemelson Center: Women Inventors
Discover the contributions of several women inventors. Did you know a woman invented the Kevlar Vest? Teacher resources available for download.
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