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Tabea Tietz

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Johann Friedrich Struensee – A Royal Affair

Johann Friedrich Struensee – A Royal Affair

Tabea Tietz
On August 5, 1735, German physician Johann Friedrich Struensee was born. He became royal physician to the mentally ill King Christian VII of Denmark and a minister in the Danish government, where he tried to carry out widespread reforms. His affair with Queen Caroline Matilda caused his downfall and dramatic death. Johann Friedrich Struensee – Early Years Johann Friedrich Struensee was born in Halle as the second of six children of the pietist…
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mathematics
John Venn and the Venn Diagram

John Venn and the Venn Diagram

Tabea Tietz
On August 4, 1834, English logician and philosopher John Venn was born. He is best known for his contribution of the eponymous Venn diagram, used in the fields of set theory, probability, logic, statistics, and computer science. “I began at once somewhat more steady work on the subjects and books which I should have to lecture on. I now first hit upon the diagrammatical device of representing propositions by inclusive and exclusive circles.…
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explorer
Horace-Bénédict de Saussure and the Mount Blanc

Horace-Bénédict de Saussure and the Mount Blanc

Tabea Tietz
On August 3, 1787, Swiss physicist and Alpine traveller Horace-Bénédict de Saussure made the third ascent of the Mount Blanc and determined via scientific measurement Mont Blanc to be the highest mountain in Europe. Horace-Benédict de Saussure – Growing Up in the Alps Horace Bénédicte de Saussure was born on February 17, 1740 near Geneva, Switzerland. Saussure received encouragement from his father, Nicolas de Saussure, his uncle Charles Bonnet, the naturalist and poet Albrecht von Haller and…
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engineering
The Tower Subway – the World’s First Tube Railway

The Tower Subway – the World’s First Tube Railway

Tabea Tietz
On August 2, 1870, the Tower Subway, the first tube railway in the world, was opened under the River Thames in London, England. Engineer James Henry Greathead used a tunnelling shield he modified from Barlow’s design to bore the 6-ft diameter tunnel near the Tower of London. It opened with steam operated lifts and a 12-seat carriage shuttled from end to end by wire rope powered by a steam engine. The Idea of an…
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engineering
Vladimir Zworykin and the Invention of Television

Vladimir Zworykin and the Invention of Television

Tabea Tietz
On July 30, 1888, Russian inventor, engineer, and pioneer of television technology Vladimir Zworykin was born. Zworykin invented a television transmitting and receiving system employing cathode ray tubes. He played a role in the practical development of television from the early thirties, including charge storage-type tubes, infrared image tubes and the electron microscope. Vladimir Zworykin – Youth in Russia Vladimir Kosmich Zworykin was born in Murom, Russia, the son of Kosma A. Zworykin, a wealthy businessman,…
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physics
Isidor Isaac Rabi and the Nuclear Magnetic Resonance

Isidor Isaac Rabi and the Nuclear Magnetic Resonance

Tabea Tietz
On July 29, 1898, Polish-born American physicist and Nobel laureate Isidor Isaac Rabi was born. He is best known for his discovery of nuclear magnetic resonance, which is used in magnetic resonance imaging. He was also involved in the development of the cavity magnetron, which is used in microwave radar and microwave ovens. “My mother made me a scientist without ever intending to. Every other Jewish mother in Brooklyn would ask her child…
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biology
Thomas Say – the Father of American Descriptive Entomology and American conchology

Thomas Say – the Father of American Descriptive Entomology and American conchology

Tabea Tietz
On July 27, 1787, American self-taught naturalist, entomologist, malacologist, herpetologist and carcinologist Thomas Say was born. A taxonomist, he is widely considered the father of descriptive entomology in the United States. Thomas Say – Early Years Thomas Say was the great-grandson of the co-founder of the American Philosophical Society, John Bartram (1699-1777), and the great-nephew of William Bartram (1739-1823). The whole family consisted of members of a Quaker sect. Say’s statement that he belonged…
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engineering
Thomas Tompion – the Father of English Clockmaking

Thomas Tompion – the Father of English Clockmaking

Tabea Tietz
On July 25, 1639, English clock maker, watchmaker and mechanician Thomas Tompion was baptized. He is still regarded to this day as the Father of English Clockmaking. Tompion’s work includes some of the most historic and important clocks and watches in the World. The Son of a Blacksmith Thomas Tompion was born in Northill, Bedfordshire, England, the son of a blacksmith and became an an apprentice of a London clockmaker around 1664.Very…
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aviation
Rocket Launch Site Cape Canaveral

Rocket Launch Site Cape Canaveral

Tabea Tietz
On July 24, 1950, Bumper 8, a modified German World War II A4 rocket, became the first ever rocket to be launched from Cape Canaveral. Cape Canaveral already became the test site for missiles the year before, and was chosen for rocket launches to take advantage of the Earth’s rotation, because of its southern location. Cape Canaveral In 1949, U.S. President Harry Truman established the Joint Long Range Proving Grounds at Cape Canaveral to test missiles. The location had…
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architecture
Herostratus burning down one of the Seven Wonders of the World

Herostratus burning down one of the Seven Wonders of the World

Tabea Tietz
On July 21, 356 BC, Herostratus, in an attempt to immortalise his name, set fire to the to the wooden roof-beams of the Temple of Artemis, one of the Seven Wonders of the Ancient World. For this outrage, the Ephesians sentenced Herostratus to death and forbade anyone from mentioning his name. Eversince this time, the term “Herostratic fame” relates to Herostratus and means, roughly, “fame at any cost”. The Temple of Artemis Modern archaeologist…
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