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The year 1907 in science and technology involved some significant events, listed below.
The year 1912 in science and technology involved some significant events, listed below.
The year 1913 in science and technology involved some significant events, listed below.
The year 1916 involved a number of significant events in science and technology, some of which are listed below.
The year 1917 in science and technology involved some significant events, listed below.
Schönbrunn Zoo is a 17-hectare (42-acre) zoo in the city of Vienna, Austria. Established in 1752, it is the world's oldest zoo still in operation. It is also a UNESCO World Heritage Site, being a part of the Schönbrunn Palace gardens. It generally receives more than 2 million visitors every year.
The year 1922 in science and technology involved some significant events, listed below.
The year 1884 in science and technology involved some significant events, listed below.
The year 1893 in science and technology involved some significant events, listed below.
The year 1857 in science and technology involved some significant events, listed below.
The year 1928 in science and technology involved some significant events, listed below.
The year 1932 in science and technology involved some significant events, listed below.
The year 1929 in science and technology involved some significant events, listed below.
William Howard Stein was an American biochemist who collaborated in the determination of the ribonuclease sequence, as well as how its structure relates to catalytic activity, earning a Nobel Prize in Chemistry in 1972 for his work. Stein was also involved in the invention of the automatic amino acid analyzer, an advancement in chromatography that opened the door to modern methods of chromatography, such as liquid chromatography and gas chromatography.
Carl Hagenbeck was a German merchant of wild animals who supplied many European zoos, as well as P. T. Barnum. He created the modern zoo with animal enclosures without bars that were closer to their natural habitat. He was also an ethnography showman and a pioneer in the display of members of "savage tribes" in Völkerschauen, known nowadays in English as "ethnic shows" or "human zoos", which were controversial at the time and are now widely considered racist. The transformation of the zoo architecture initiated by him is known as the Hagenbeck revolution. Hagenbeck founded Germany's most successful privately owned zoo, the Tierpark Hagenbeck, which moved to its present location in Hamburg's Stellingen district in 1907.
The Tierpark Hagenbeck is a zoo in Stellingen, Hamburg, Germany. The collection began in 1863 with animals that belonged to Carl Hagenbeck Sr. (1810–1887), a fishmonger who became an amateur animal collector. The park itself was founded by Carl Hagenbeck Jr. in 1907. It is known for being the first zoo to use open enclosures surrounded by moats, rather than barred cages, to better approximate animals' natural environments.
This is a list of women chemists. It should include those who have been important to the development or practice of chemistry. Their research or application has made significant contributions in the area of basic or applied chemistry.
Hugo Schmitt, born July 19, 1904, in Bann, Landkreis Kaiserslautern, in Southwestern Rheinland-Pfalz in Germany, dead August 9, 1977, in Sarasota, Florida, United States, was a German-American circus artist, animal trainer and one of the worlds most famous elephant trainers with a record of 55 elephants performing in the ring. Starting his career at Carl Hagenbeck Circus-Stellingen in Germany, Schmitt was elephant superintendent at the world's largest circus, Ringling Bros. and Barnum & Bailey Circus in the USA from 1947 to 1971.
The founder and his idea Carl Hagenbeck built what no other dared dream of. In 1907, the Hamburg man opened the first barless zoo in the world. As early as the end of the 19th century, this son of a fishmonger had the idea of showing animals no longer caged up but in open viewing enclosures. In his zoo of the future, nothing more than unseen ditches were to separate wild animals from members of the public. Carl Hagenbeck patented this idea in 1896. Nine years later his dream was to come true in Hamburg-Stellingen. The revolutionary open viewing enclosures and panoramas were in fact ridiculed in professional circles but took the public's breath away. Hagenbeck's zoo is considered to have prepared the way for today's wildlife adventure parks.