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Interested in disability history? Check out what happened Today in AT History!


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  • December 1 - Valdemar Poulsen, a Danish Engineer, files a patent in Denmark for the Telegraphone, the first telephone answering machine which used magnetic recording which was invented a few years earlier by Oberlin Smith.[1]


  • September 24 - Howard Walter Florey - Australian pharmacologist, won Nobel Prize in Medicine for his role in the extraction and mass production of penicillin. During World War II, penicillin made a major difference in the number of deaths and amputations caused by infected wounds.


  • September 14 - William Seward Burroughs, inventor of the first practical adding machine. Today, calculators are particularly useful for people with math-related learning disabilities, and printing calculators are useful for people who have trouble writing by hand. [2] [3]


  1. Allen, Bob. "100 YEARS OF MAGNETIC RECORDING: POULSEN'S PATENT." Association of Motion Picture Sound. 1998. Accessed on March 13, 2008.
  2. William Seward Burroughs. National Inventors Hall of Fame. Accessed March 7, 2008.
  3. Calculating-Machine. U.S. Patent #388116.