Johann August Natterer, Date of Birth, Place of Birth, Date of Death

Johann August Natterer

Austrian physician and chemist

Date of Birth: 19-Oct-1821

Place of Birth: Vienna, Austria

Date of Death: 25-Dec-1900

Profession: chemist

Zodiac Sign: Libra

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