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physics
Laura Bassi – the first Woman with a University Chair

Laura Bassi – the first Woman with a University Chair

Harald Sack
Between October 20 and October 29, 1711, Italian physicist and academic Laura Maria Caterina Bassi was born. Bassi is referred to as being the first woman to earn a professorship in physics at a university in Europe and is recognized as the first woman in the world to earn a university chair in a scientific field of studies. She contributed immensely to the field of science while also helping to spread the…
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explorer
Around the World with the Amazing Ida Pfeiffer – the First Female Tourist

Around the World with the Amazing Ida Pfeiffer – the First Female Tourist

Tabea Tietz
On October 28, 1858, Austrian traveler and travel book author Ida Laura Pfeiffer passed away. Pfeiffer was one of the first female explorers, whose popular books were translated into seven languages. On her voyages, she travelled more than 240.000 km by sea and 32.000 km on land over four continents. During her travels Ida Pfeiffer collected plants, insects, mollusks, marine life and mineral specimens. The Childhood of a Future Explorer Ida Pfeiffer was…
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astronomy
Hipparchus of Nicaea and the Precession of the Equinoxes

Hipparchus of Nicaea and the Precession of the Equinoxes

Harald Sack
Hipparchus of Nicaea was a Greek astronomer, geographer, and mathematician in the second century BC. He is considered the founder of trigonometry but is most famous for his incidental discovery of precession of the equinoxes. His other reputed achievements include the discovery and measurement of Earth‘s precession, the compilation of the first comprehensive star catalog of the western world, and possibly the invention of the astrolabe, also of the armillary sphere, which…
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geology
Vasily Dokuchaev and Foundations of Soil Science

Vasily Dokuchaev and Foundations of Soil Science

Tabea Tietz
On October 26, 1903, (Julian Calendar) Russian Geologist and Geographer Vasily Dokuchaev passed away. Dokuchaev is commonly regarded as the father of Soil science, the study of soils in its natural setting. He developed soil science in Russia, and was, perhaps the first person to make wide geographical investigations of different soil types. “The scientific basis of soil science as a natural science was established by the classical works of Dokuchaev. Previously, soil…
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physics
Robert Stirling and the Stirling Engine

Robert Stirling and the Stirling Engine

Harald Sack
On October 25, 1790, Scottish clergyman Reverend Dr Robert Stirling was born. Stirling is best known for his invention of the Stirling engine, a heat engine that operates by cyclic compression and expansion of air or other gas (the working fluid) at different temperatures, such that there is a net conversion of heat energy to mechanical work. Robert Stirling Youth and Education Robert Stirling was born at Cloag Farm near Methven, Perthshire,…
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chemistry
Nathaniel Wyeth and the Invention of the PET Bottle

Nathaniel Wyeth and the Invention of the PET Bottle

Tabea Tietz
On October 24, 1911, American mechanical engineer and inventor Nathaniel C. Wyeth was born. Wyeth is best known for creating polyethylene terephthalate that could withstand the pressure of carbonated liquids. Made of recyclable PET plastic, lighter than glass and virtually unbreakable, Wyeth’s invention is used widely today for both carbonated and non-carbonated drinks. Nathaniel Wyeth – Background Information Nathaniel C. Wyeth was born into America’s foremost family of artists: both of his sisters…
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explorer
Ludwig Leichhardt’s Australian Expeditions

Ludwig Leichhardt’s Australian Expeditions

Tabea Tietz
On October 23, 1813, Prussian explorer and naturalist Friedrich Wilhelm Ludwig Leichhardt was born. He is most famous for his exploration of northern and central Australia. Leichhardt went to Australia in 1842 to study the rocks and wildlife in Queensland and the Northern Territory. In 1848 he left on an expedition with nine men to find a route from Moreton Bay (Brisbane) to Perth, rather poorly equipped. The party disappeared, leaving a mystery as to its…
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chemistry
Georg Ernst Stahl and the Phlogiston Theory

Georg Ernst Stahl and the Phlogiston Theory

Tabea Tietz
On October 22, 1659, German chemist, physician and philosopher Georg Ernst Stahl was born. Stahl developed the phlogiston theory of combustion and of such related biological processes as respiration, fermentation, and decay. Combustible objects, he said, were rich in phlogiston, and during combustion is lost. The remaining ash, now having no phlogiston, could no longer burn. Until the late 18th century his works on phlogiston were accepted as an explanation for chemical…
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archeology
The Discovery of the Mauer 1 Mandible

The Discovery of the Mauer 1 Mandible

Tabea Tietz
On October 21, 1907 the worker Daniel Hartmann unearthed a mandibular in a sand mine in the Grafenrain Open field system of the Mauer community. The so-called Mauer 1 mandible is the oldest fossilized specimen of the genus Homo ever to be discovered in Germany. The Mauer 1 mandible is the type specimen of the species Homo heidelbergensis, a subspecies of Homo erectus. In Search for Traces of Mankind In 1907, Daniel…
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architecture
The Sydney Opera House

The Sydney Opera House

Tabea Tietz
On October 20, 1973, the Sydney Opera House was formally opened by Queen Elizabeth II. It is identified as one of the 20th century’s most distinctive buildings. Designed by Danish architect Jørn Utzon in a modern expressionist design, it features a series of large precast concrete roof “shells”, each composed of sections of a sphere of 75.2 metres radius. An International Design Contest Planning for the opera house started in the 1940s…
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