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  • Fred Ingalls Raymond (1894 - 1990)
    Fred I. Raymond was a pioneer in "green technologies," inventing the energy-saving "DuoStat" thermostat that he manufactured at his plant in downtown Chicago. He also developed the Raymond Whirlwind se...
  • Alexander Joy Cartwright, Jr. (1820 - 1892)
    Alexander Joy Cartwright, Jr. (April 17, 1820 – July 12, 1892) is one of several people sometimes referred to as a "father of baseball". Cartwright is thought to be the first person to draw a ...
  • Harry Leonard (1861 - 1915)
    Harry Ward Leonard (February 8, 1861 – February 18, 1915) was an electrical engineer and inventor. He is best known for his invention, the Ward Leonard motor control system. Equipment based on t...
  • Charles Cretors (1852 - 1934)
  • Percy LeBaron Spencer (1894 - 1970)
    Percy Lebaron Spencer (19 July 1894 – 8 September 1970) was an American physicist and inventor. He became known as the inventor of the microwave oven. Spencer and his wife, Louise, had three c...


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