Denk, Robert: The inventor of the tubeless radio used an unknown solid-state effect, which was never rediscovered.
Ephraimshay.com: Features transcriptions of diary entries that pertain to the making of his invention, the Shay locamotive engine. Page includes related resource links.
Gorrie's Fridge: An early pioneer in the invention of the artificial manufacture of ice.
Grigori T. Rudenko: Russian inventor of the mechanical artificial hand prosthesis. Page gives background of this war veteran and patent document photos.
Life of John Fitch: The inventor of the steam boat. Full text of thus 1857 publication by Thompson Westcott.
Martin, Horace G.: Created a semi-automatic key to help prevent the development of telegrapher paralysis, created by the daily abuse of manipulating a manual machine key. Page includes history of the man and the spread of this invention across the United States.
Nobel, Alfred - Man Behind the Prizes: Information from the official Nobel Prize site.
Pioneers of The Machine Tool Industry: Features backgrounds of early entrepreneurs from early Egyptians, Leonardo da Vinci to modern United Kingdom personalities, such as Alfred Herbert and Axel Wickman.
structurae: Gustave Eiffel: Images, biography, works, references and links.