Sprengel

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Sprengel is a surname. Notable people with the surname include:

Hermann Sprengel FRS was a German-British chemist who discovered the explosive nature of picric acid in 1873, patented safety explosives and invented the mercurial air pump.

Carl Sprengel German botanist

Karl or Philipp Carl Sprengel was a German botanist from Schillerslage.

Christian Konrad Sprengel German botanist

Christian Konrad Sprengel was a German naturalist, theologist, and teacher. He is most famous for his research on plant sexuality. Sprengel was the first to recognize that the function of flowers was to attract insects, and that nature favoured cross-pollination. Along with the work of Joseph Gottlieb Kölreuter he set the foundations for the modern study of floral biology and anthecology although his work was not widely recognized until Charles Darwin examined and reconfirmed several of his observations.

See also

Sprengel Museum museum in Hannover, Germany

The Sprengel Museum in Hanover houses one of the most significant collections of modern art in Germany. It is located in a building designed by Peter and Ursula Trint and Dieter Quast, adjacent to the Maschsee. The museum opened in 1979 and the building was extended in 1992.

The Sprengel zinti pump is a vacuum pump that uses drops of mercury falling through a small-bore capillary tube to trap air from the system to be evacuated. It was invented by Hanover-born chemist Hermann Sprengel in 1865 while he was working in London. The pump created the highest vacuum achievable at that time, less than 1 mPa.

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Related Research Articles

Picric acid chemical compound

Picric acid is an organic compound with the formula (O2N)3C6H2OH. Its IUPAC name is 2,4,6-trinitrophenol (TNP). The name "picric" comes from the Greek πικρός (pikros), meaning "bitter", reflecting its bitter taste. It is one of the most acidic phenols. Like other highly nitrated organic compounds, picric acid is an explosive, hence its primary use. It has also been used in medicine (antiseptic, burn treatments) and dyes.

The year 1865 in science and technology involved some significant events, listed below.

Sprengel explosives are a generic class of materials invented by Hermann Sprengel in the 1870s. They consist of stoichiometric mixtures of strong oxidisers and reactive fuels, mixed just prior to use in order to enhance safety. Either the oxidiser or the fuel, or both, should be a liquid to facilitate mixing, and intimate contact between the materials for a fast reaction rate.

Carl Borivoj Presl Czech botanist, physician and naturalist

Karel Bořivoj Presl was a Czech botanist.

Heide may refer to:

Von Meyer is a German surname. Notable people sharing this surname include:

Berlin-Dahlem Botanical Garden and Botanical Museum botanical garden and museum located in Berlin

The Berlin-Dahlem Botanical Garden and Botanical Museum is a botanical garden in the German capital city of Berlin, with an area of 43 hectares and around 22,000 different plant species. It was constructed between 1897 and 1910, under the guidance of architect Adolf Engler, in order to present exotic plants returned from German colonies.

Dr. Bernhard Sprengel was a German chocolate manufacturer and modern art collector.

Giovanni Zantedeschi was an Italian physician and an important Italian botanist.

Resko Place in West Pomeranian, Poland

Resko is a town in Łobez County, West Pomeranian Voivodeship, Poland, with 4,436 inhabitants (2004). It is located on the Rega River.

Schultes is a surname. Notable people with the surname include:

Vischer is a surname, and my refer to:

Hannah Collins is a British contemporary artist and film-maker. Collins' works treat the collective experiences of memory, history and the everyday in the modern world. She is known for her photographic installations, but has also made films in Spain and Russia. She was nominated for the 1993 Turner Prize.

Maschsee Artificial lake situated south of the city centre of Hanover in Germany

The Maschsee is an artificial lake situated south of the city centre of Hanover in Germany. Spanning an area of 78 hectares, it is the largest body of water within the capital of Lower Saxony. The lake is a popular recreation area as well as a venue for numerous water sports.

Kurt Polycarp Joachim Sprengel German botanist

Kurt Polycarp Joachim Sprengel was a German botanist and physician who published an influential multivolume history of medicine, Versuch einer pragmatischen Geschichte der Arzneikunde and several other medical reference works.

Paul Hermann may refer to: