Johann August Natterer

Johann August Natterer (19 October 1821 – 25 December 1900) was an Austrian physician and chemist.

Born in Vienna, he was a nephew to naturalist Johann Natterer (1787-1843). In 1847, he obtained his medical doctorate from the University of Vienna, later practicing medicine in Wien-Leopoldstadt.[1]

Along with his brother Josef Natterer (1819-1862), he is remembered for pioneer experiments in the field of photography. In 1841, using a Voigtländer camera on daguerreotype plates that were prepared according to a chemical process developed by Franz Kratochwila, they were able to increase the sensitivity five-fold, and reportedly achieved exposure times as low as 5 to 6 seconds in clear weather.[2]

In the mid-1840s, using a compressed air chamber pump invented by J. Schembor (1777-1851), he was the first scientist to produce liquid carbon dioxide in significant quantities.[3][4] His name is associated with a sealed and constant volume vessel known as a "Natterer's tube".[5][6]

References
  1. Österreichisches Biographisches Lexikon (biography)
  2. A concise history of photography by Helmut Gernsheim
  3. History of industrial gases By Ebbe Almqvist
  4. AEIOU Encyclopedia (biographical information and photo
  5. Contribution to the study of thermodynamic control systems, etc.
  6. Enciclopedia Treccani (biographical information)
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.