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  • Charles Cassius Gates, Jr. (1921 - 2005)
    Billionaire. Denver businessman, inventor and philanthropist. He graduated from Stanford University, with a degree in mechanical engineering in the class of 1943. Heir to the Gates manufacturing fortun...
  • Samuel Hawken, Gunsmith (c.1792 - 1884)
    Gunsmith. Born in Hagerstown, Maryland, he moved west to establish a gunsmithy in Xenia, Ohio. Sometime after 1821, Hawken's wife died and he relocated to St. Louis where his elder brother, Jacob, an...
  • David T. Siegel (aft.1896 - 1957)
  • Dr. John Sidney Lewis (1919 - 2005)
    John invented Surgical Resection of Temporal Bone, an operation to treat a previously inoperable cancer, while at Memorial Sloan-Kettering Cancer Center where he was Associate Attending Surgeon on Head...
  • Mary Kerr (1752 - 1837)
    Mary Kies was the first woman to apply for a U.S. patent. In May of 1809, she received a patent for a straw-hat making process. Her process included weaving straw with silk or thread to create a styl...


Inventors are people who invent unique or novel devices, methods, compositions, processes or discoveries.

This project is on History Link

List of notable inventors

For a complete list, please see: Inventors Project Profiles.

  • Dr. Andre Cipriani, pioneered the development of the Cobalt-60 Therapy units which are used for the treatment of cancer and occupational radiation protection.

External links