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Tabea Tietz

biology
Santiago Ramón y Cajal and the Microscopic Structure of the Brain

Santiago Ramón y Cajal and the Microscopic Structure of the Brain

Tabea Tietz
On May 1, 1852, Spanish pathologist, histologist, neuroscientist, and Nobel laureate Santiago Ramón y Cajal was born. Cajal’s original pioneering investigations of the microscopic structure of the brain have led to his being designated by many as the father of modern neuroscience. His medical artistry was legendary, and hundreds of his drawings illustrating the delicate arborizations of brain cells are still in use for educational and training purposes. “Any man could, if he were so…
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chemistry
Harold Urey and the famous Miller–Urey experiment

Harold Urey and the famous Miller–Urey experiment

Tabea Tietz
On April 29, 1893, American physical chemist and Nobel Laureate Harold C. Urey was born. He played a significant role in the development of the atom bomb, but may be most prominent for his contribution to theories on the development of organic life from non-living matter. Harold Urey – Early Years Harold Clayton Urey entered the University of Montana in 1914 and received his Bachelor of Science degree in Zoology in 1917. A few…
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philosophy
Herbert Spencer and Social Darwinism

Herbert Spencer and Social Darwinism

Tabea Tietz
On April 27, 1820, English philosopher, biologist, anthropologist, sociologist, and prominent classical liberal political theorist of the Victorian era Herbert Spencer was born. Spencer is best known for the expression “survival of the fittest“, which he coined in Principles of Biology (1864), after reading Charles Darwin‘s On the Origin of Species.[4] This term strongly suggests natural selection, yet as Spencer extended evolution into realms of sociology and ethics, he also made use…
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biology
Félix d’Herelle and the Bacteriophages

Félix d’Herelle and the Bacteriophages

Tabea Tietz
On April 25, 1873, French-Canadian microbiologist Félix d’Herelle was born. D’Herelle was co-discoverer of bacteriophages (viruses that infect bacteria) and experimented with the possibility of phage therapy. D’Herelle has also been credited for his contributions to the larger concept of applied microbiology. Early Years as Autodidact Félix D’Hérelle was born in Paris, France. He attended l’Ecole Monge (Lycée Condorcet) and then the Lycée Louis-le-Grand in Paris. His father, who was 30 years…
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literature
How Anthony Trollope invented the Red Postal Box

How Anthony Trollope invented the Red Postal Box

Tabea Tietz
On April 24, 1815, English novelist of the Victorian era Anthony Trollope was born. Trollope wrote novels on political, social, and gender issues, and other topical matters. Among his best-known works is a series of novels collectively known as the Chronicles of Barsetshire, which revolves around the imaginary county of Barsetshire. He furthermore introduced the familiar red pillar boxes in Britain as street-side receptacles of letters for collection by the Post Office.…
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biology
John Muir and the U.S. National Park System

John Muir and the U.S. National Park System

Tabea Tietz
On April 21, 1838, Scottish-American naturalist and author John Muir was born. He was an early advocate of preservation of wilderness in the United States. His letters, essays, and books telling of his adventures in nature, especially in the Sierra Nevada mountains of California, have been read by millions. His activism helped to preserve the Yosemite Valley, Sequoia National Park and other wilderness areas. John Muir – Early Years John Muir was…
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communication
Clarence Mackay connected the World

Clarence Mackay connected the World

Tabea Tietz
On April 17, 1874, American financier Clarence Hungerford Mackay was born. Mackay was chairman of the board of the Postal Telegraph and Cable Corporation and president of the Mackay Radio and Telegraph Company. He supervised the completion of the first transpacific cable between the United States and the Far East in 1904. He laid a cable between New York and Cuba in 1907 and later established cable communication with southern Europe via the…
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medical science
Sir Victor Horsley – A Pioneer in Neural Surgery

Sir Victor Horsley – A Pioneer in Neural Surgery

Tabea Tietz
On April 14, 1857, English physiologist and neurosurgeon Sir Victor Horsley was born. Horsley was a pioneer in surgery on the brain and spinal cord. His best-known innovation is the Horsley–Clarke apparatus (developed together with Robert H. Clarke in 1908) for performing the so-called stereotactic neurosurgery, whereby a set of precise numerical coordinates are used to locate each brain structure. Victor Horsley – Youth and Education Victor Horsley was born in Kensington,…
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aviation
The First Non-stop Westbound Flight over the North Atlantic

The First Non-stop Westbound Flight over the North Atlantic

Tabea Tietz
On April 13, 1928, German pilots Hermann Köhl and Ehrenfried Günther Freiherr von Hünefeld together with their Irish co-pilot James Fitzmaurice succeeded in crossing the Atlantic from east to west in an airplane. 36 hours after their take off in Baldonnel, Ireland, they landed with their Junkers W33 aircraft called ‘Bremen‘ on the Canadian island Greenly Island. Transatlantic Flights The possibility of transatlantic flight by aircraft emerged after the First World War, which had…
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aviation
The Ryan X-13 VertiJet – the first Jet powered VTOL Aircraft

The Ryan X-13 VertiJet – the first Jet powered VTOL Aircraft

Tabea Tietz
On April 11, 1957, the Ryan X-13 VertiJet completed its first full-cycle flight at Edwards Air Force Base. The Ryan X-13 VertiJet was one of the first experimental vertical take-off and landing (VTOL) aircrafts powered by jet engines. The main objective of the project was to demonstrate the ability of a pure jet to vertically takeoff, hover, transition to horizontal forward flight, and vertically land. Ryan Aeronautical The Ryan Aeronautical Company was…
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