Inventor's Challenge

  • Jan 23, 1455

    Move able Type

    Johannes Gutenberg, German
  • Electricity

    Benjamin Franklin, American
  • Steam Engine (improved)

    James Watt, Scottish
  • Cotton Gin

    Eli Whitney, American
  • Small Pox Vaccine

    Dr. Edward Jenner, English
  • Steam Boat

    Robert Fulton, American
  • Camera

    Joseph-Nicephore Niepce, French
  • Telegraph

    Samuel F. B Morse, American
  • Sewing Machine

    Isaac Merritt Singer, American
  • Safety Hoist

    Elish G. Otis, American
  • Can Opener

    Ezra J. Warner, American
  • Internal Combustion Engine

    Etienne Lenoir, Belgian
  • QWERTY Keyboard

    Christopher Latham Sholes, American
  • Denim Pants

    Levi Strauss, German
  • Telephone

    Alexander Graham Bell, Scottish
  • Electric Light Bulb

    Thomas Alva Edison, American
  • Fountain Pen

    L. E. Waterman, American
  • Zipper

    Whitcomb Judson, American
  • Air Conditioning

    W.H Carrier, American
  • Crayola Crayon

    Edward Binney and Harold Smith, American
  • Aircraft

    Wilbur and Oliver Wright
  • Lubricating Cup

    Elijah McCoy, Canadian
  • Penicillin

    Alexander Fleming, Scottish
  • Scotch Tape

    Richard Drew, American
  • Blood Bank

    Dr. Charles Drew, American
  • Silly Putty

    James Wright, Scottish
  • Slinky

    Richard James, American
  • Microwave

    Percy L. Spencer, American
  • Liquid Paper

    Bette Nesmith Graham, American
  • Etch and Sketch

    Arthur Granjean, French
  • Snugli

    Ann Moore, American
  • Post-It Notes

    Spencer Silver, American