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Yearly Archives: 2022

medical science
Johann Friedrich Blumenbach and the Human Races

Johann Friedrich Blumenbach and the Human Races

Tabea Tietz
On May 11, 1752, German physician, naturalist, physiologist, and anthropologist Johann Friedrich Blumenbach was born. He was one of the first to explore the study of mankind as an aspect of natural history. Frequently called the father of physical anthropology, Blumenbach proposed one of the earliest classifications of the races of mankind. He divided humanity into five races: Caucasian, Ethiopian, American, Mongolian, and Malay. Johann Friedrich Blumenbach – Early Life Johann Friedrich…
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engineering
Betamax and the Legendary Video Format Wars

Betamax and the Legendary Video Format Wars

Harald Sack
On May 10, 1975, Sony released a consumer-level analog videocassette magnetic tape recording format called Betamax. Today, the format is obsolete, having lost the videotape format war to VHS with Betamax recorders ceased production in 2002. A Brief History of Video Recording The first efforts at video recording, using recorders similar to audio recorders with fixed heads, were unsuccessful. The problem was that a video signal has a much wider bandwidth than…
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literature
J. M. Barrie and the Boy who wouldn’t grow up

J. M. Barrie and the Boy who wouldn’t grow up

Tabea Tietz
On May 9, 1860, Scotish author and playwright Sir James Matthew Barrie, 1st Baronet was born. Barrie is best remembered for being the creator of Peter Pan in his novel “Peter Pan, or The Boy Who Wouldn’t Grow Up“, a “fairy play” about an ageless boy and an ordinary girl named Wendy who have adventures in the fantasy setting of Neverland. “All children, except one, grow up. They soon know that they…
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explorer
Jules Dumont d’Urville and his South-Pacific Voyages

Jules Dumont d’Urville and his South-Pacific Voyages

Harald Sack
On May 8, 1842, French explorer, naval officer and rear admiral Jules Sébastien César Dumont d’Urville passed away. D’Urville commanded voyages of exploration to the South Pacific (1826–29) and the Antarctic (1837–40), resulting in extensive revisions of existing charts and discovery or redesignation of island groups. As a botanist and cartographer he left his mark, giving his name to several seaweeds, plants and shrubs, and places such as D’Urville Island. Jules Dumont d’Urville…
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psychology
Gustave le Bon and the Behaviour of the Crowd

Gustave le Bon and the Behaviour of the Crowd

Tabea Tietz
On May 7, 1841, French social psychologist, sociologist, anthropologist, inventor, and amateur physicist Gustave le Bon was born. Le Bon is best known for his study of the psychological characteristics of crowds, The Crowd, Study of Popular Mind. His writings incorporate theories of national traits, racial and male superiority, herd behavior and crowd psychology. “Logical minds, accustomed to being convinced by a chain of somewhat close reasoning, cannot avoid having recourse to this mode of…
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biology
Jean Senebier and the Discovery of Photosynthesis

Jean Senebier and the Discovery of Photosynthesis

Tabea Tietz
On May 6, 1742, Swiss pastor and naturalist Jean Senebier was born. Senebier wrote extensively on plant physiology and was one of the major early pioneers of photosynthesis research. He was the first who demonstrated that green plants consume carbon dioxide and release oxygen under the influence of light. How do the Plants gain their Mass? Before Jean Senebier researched in the field of photosynthesis, other scientists had engaged in the field including Flemish chemist, physiologist,…
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engineering
Andrew Meikle and the Threshing Machine

Andrew Meikle and the Threshing Machine

Tabea Tietz
On May 5, 1719, Scottish mechanical engineer Andrew Meikle was born. Meikle is best known for inventing the threshing machine, a device used to remove the outer husks from grains of wheat. The mechanization of this process took much of the drudgery out of farm labour. A Brief History of the Threshing Machine Threshing refers to the mechanical process of separating the grains during the harvest of threshed crops. The straw (long…
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engineering
Fritz von Opel and the Rocket Car

Fritz von Opel and the Rocket Car

Tabea Tietz
On May 4, 1899, German automotive industrialist Fritz von Opel was born. Von Opel was the grandson of Adam Opel, founder of the Opel company. He was a pioneer in experiments with rocket propulsion for automobiles and aircraft. On 11 Apr 1928, at Berlin, together with Max Valier and Friedrich Wilhelm Sander, he tested the first manned rocket automobile, the Opel-RAK1. The Heir of an Automobile Company Fritz von Opel was the grandson of…
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history
The Murder of August von Kotzebue and the Supression of the Liberal Press

The Murder of August von Kotzebue and the Supression of the Liberal Press

Harald Sack
On May 3, 1761, German dramatist and writer August von Kotzebue was born. In 1817, one of Kotzebue‘s books was burned during the Wartburg festival. He was murdered in 1819 by Karl Ludwig Sand, a militant member of the Burschenschaften, which gave Metternich the pretext to issue the Carlsbad Decrees, which dissolved the Burschenschaften, cracked down on the liberal press, and seriously restricted academic freedom in the states of the German Confederation.…
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physics
Heinrich Gustav Magnus and the Magnus Effect

Heinrich Gustav Magnus and the Magnus Effect

Tabea Tietz
On May 2, 1802, German physicist Heinrich Gustav Magnus was born. He is best known for the Magnus effect (the lift force produced by a rotating cylinder, which for example, gives the curve to a curve ball). In chemical research, he discovered the first of the platino-ammonium compounds. Heinrich Gustav Magnus – Early Years Heinrich Gustav Magnus’ father, the wealthy cloth and silk merchant Immanuel Meyer Magnus was baptized in 1807 with his…
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