Adelbert Theodor Wangemann, Date of Birth, Place of Birth, Date of Death
TweetAdelbert Theodor Wangemann
German assistant to Thomas Edison, early audio recording technician
Date of Birth: 
Place of Birth: Berlin
About Adelbert Theodor Wangemann
- Adelbert Theodor Edward Wangemann (February 13, 1855 – June 1906), known as Theo, was a German who emigrated to the United States.
- In 1888, he began working for Thomas Edison as an assistant at his laboratory in West Orange, New Jersey.
- In 1889, Edison sent Wangemann to keep the phonograph at the 1889 Paris Expo in good working condition.
- The trip was extended and Wangemann made numerous early sound recordings on wax cylinders, some of which were lost for more than 100 years.
- Found in 1957, but not revealed until 2012, they include the only known recording of Otto von Bismarck.
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