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Tabea Tietz

astronomy
Jeremiah Horrocks and the Transit of Venus

Jeremiah Horrocks and the Transit of Venus

Tabea Tietz
On January 3, 1641, English astronomer Jeremiah Horrocks passed away. He was the first scientist to demonstrate that the Moon moved around the Earth in an elliptical orbit and was the only person to predict the transit of Venus of 1639. Jeremiah Horrocks – Early Life Jeremiah Horrocks was born at Lower Lodge Farm in Toxteth Park, a former royal deer park near Liverpool, Lancashire. He grew up in a well educated family and…
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astronomy
Urbain Le Verrier and the hypothetical Planet Vulcan

Urbain Le Verrier and the hypothetical Planet Vulcan

Tabea Tietz
On 2 January 1860, French astronomer Urbain Le Verrier announced the discovery of Vulcan, a hypothetical planet inside the Mercury orbit, to a meeting of the Académie des Sciences in Paris. Despite the lack of any reliable observation, Le Verrier really was convinced until his death that he had discovered a new planet. It was Einstein’s special theory of relativity and a completely new understanding of the laws of gravity that modified the predicted…
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art
Henri Matisse in the Rush of Colors

Henri Matisse in the Rush of Colors

Tabea Tietz
On December 31, 1869, Henri-Émile-Benoît Matisse, French draughtsman, sculptor, writer and artist, known for his use of colour and his fluid and original draughtsmanship, was born. “What I am after, above all, is expression. Sometimes it has been conceded that I have a certain technical ability but that, my ambition being limited, I am unable to proceed beyond a purely visual satisfaction such as can be procured from the mere sight of…
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cinematography
How the Lumière Brothers invented Cinema

How the Lumière Brothers invented Cinema

Tabea Tietz
On December 28, 1895, the Lumière Brothers performed 10 movies for their first paying audience at the Grand Cafe in Boulevard des Capucines, marking the debut of the cinema. Family Background and Family Business Louis and Auguste Lumière’s father Claude Antoine Lumière (1840-1911) learnt the profession of a type painter from the painter Auguste Constantin. 1860 he went into business for himself in Besançon. Soon he was attracted by the spreading new technology…
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medical science
Louis Pasteur – the Father of Medical Microbiology

Louis Pasteur – the Father of Medical Microbiology

Tabea Tietz
On December 27, 1822, French chemist Louis Pasteurwas born, who is considered one of the most important founders of medical microbiology. He is remembered for his remarkable breakthroughs in the causes and prevention of diseases. “I am utterly convinced that Science and Peace will triumph over Ignorance and War, that nations will eventually unite not to destroy but to edify, and that the future will belong to those who have done the…
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explorer
Vasco da Gama and the Route to India

Vasco da Gama and the Route to India

Tabea Tietz
On December 24, 1524, Portuguese explorer Vasco da Gama, 1st Count of Vidigueira, passed away. He is referred to as one of the most successful explorers in the Age of Discovery and was the commander of the first ships to sail directly from Europe to India. After decades of sailors trying to reach the Indies, with thousands of lives and dozens of vessels lost in shipwrecks and attacks, da Gama landed in Calicut on…
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history
Leopold von Ranke – The Father of the Objective Writing of History

Leopold von Ranke – The Father of the Objective Writing of History

Tabea Tietz
On December 21, 1795, German historian Leopold von Ranke, one of the founding fathers of modern source-based history science was born. Building on the methods of the Göttingen School of History, Ranke set the standards for much of later historical writing, introducing such ideas as reliance on primary sources (empiricism), an emphasis on narrative history and especially international politics. “We do not have to judge error and truth par excellence. He rises up…
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space
Apollo 17 – The Last Men on the Moon…so far

Apollo 17 – The Last Men on the Moon…so far

Tabea Tietz
On December 11, 1972, Apollo 17 with Commander Eugene A. Cernan, Command Module Pilot Ronald E. Evans, and Lunar Module Pilot Harrison H. Schmitt landed in the Taurus-Littrow valley on the lunar surface and were (so far) the last men to set foot on the Moon. Apollo 17 was the eleventh and final mission of the United States‘ Apollo program, the sixth mission to land humans on the Moon. Background While earlier Apollo…
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history
Melvil Dewey and the Dewey Decimal System

Melvil Dewey and the Dewey Decimal System

Tabea Tietz
On December 10, 1851, Melvil Dewey, librarian and inventor of the Dewey Decimal classification system for libraries, the DDC, was born. Early Years Melvil Dewey was born as Melville Louis Kossuth Dewey into a rather poor family in the upper New York state. After a school-fire, he was told to live only for one more year and became obsessed with efficiency, wherefore he gained his interest in simplified spelling early. Dewey left…
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social science
Niklas Luhmann’s Theory of Social Systems

Niklas Luhmann’s Theory of Social Systems

Tabea Tietz
On December 8, 1927, German sociologist, philosopher of social science, and a prominent thinker in systems theory Niklas Luhmann was born. As the most important German-speaking representative of sociological systems theory and sociocybernetics, Luhmann is one of the classics of the social sciences in the 20th century. “Does knowledge rest on construction in the sense that it only functions because the knowing system is operatively closed, therefore: because it can maintain no operative…
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