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Tabea Tietz

zoology
Carl Hagenbeck – Pioneer of the Modern Zoo

Carl Hagenbeck – Pioneer of the Modern Zoo

Tabea Tietz
On May 7, 1907, German merchant of wild animals Carl Hagenbeck founded Germany’s most successful privately owned zoo, the Tierpark Hagenbeck. He created the modern zoo with animal enclosures without bars that were closer to their natural habitat. Background Carl Hagenbeck Already his father, Gottfried Hagenbeck, who was originally a fish dealer started displaying and trading animals in the mid-19th century. In 1866, Carl Hagenbeck joined his father’s business and started to expand…
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communication
Adolph von Knigge and the Art of Human Relations

Adolph von Knigge and the Art of Human Relations

Tabea Tietz
On May 6, 1796, Freiherr Adolph Franz Friedrich Ludwig Knigge passed away. In Germany, Knigge is best remembered for his book ‘Über den Umgang mit Menschen‘ (On Human Relations), a treatise on the fundamental principles of human relations that has the reputation of being the authoritative guide to behaviour, politeness, and etiquette. “Without inspiration, which fills the soul with a healthy warmth, nothing great can ever be brought to pass.” — Adolph…
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art
The Foundation of the Academy of Motion Picture Arts and Sciences

The Foundation of the Academy of Motion Picture Arts and Sciences

Tabea Tietz
On May 4, 1927, the official Articles of Incorporation for the Academy of Motion Picture Arts and Sciences were filed, a professional honorary organization dedicated to the advancement of the arts and sciences of motion pictures with 36 founding members. The Academy is known around the world for its annual Academy Awards, now officially known as The Oscars. MGM One day in 1927, Metro-Goldwyn-Mayer (MGM) head Louis B. Mayer got the idea to create…
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physics
J. J. Thomson and the Existence of the Electron

J. J. Thomson and the Existence of the Electron

Tabea Tietz
On April 30, 1897, English physicist Joseph John Thomson gave the first experimental proof of the electron, which had been already theoretically predicted by Johnstone Stoney. Thomson was awarded the 1906 Nobel Prize in Physics for the discovery of the electron and for his work on the conduction of electricity in gases. “As the cathode rays carry a charge of negative electricity, are deflected by an electrostatic force as if they were negatively electrified,…
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mathematics
Henri Poincaré – the Last Universalist of Mathematics

Henri Poincaré – the Last Universalist of Mathematics

Tabea Tietz
On April 29, 1854, French mathematician, theoretical physicist, engineer, and a philosopher of science Henri Poincaré was born. He is often described as a polymath, and in mathematics as The Last Universalist since he excelled in all fields of the discipline as it existed during his lifetime. “A scientist worthy of the name, above all a mathematician, experiences in his work the same impression as an artist; his pleasure is as great…
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geology
Christian Leopold von Buch and the Jurassic System

Christian Leopold von Buch and the Jurassic System

Tabea Tietz
On April 26, 1774, German geologist and paleontologist Christian Leopold von Buch was born. He is best known as one of the most important contributors to geology in the first half of the 19th century. His scientific interest was devoted to a broad spectrum of geological topics: volcanism, fossils, stratigraphy and more. His most remembered accomplishment is the scientific definition of the jurassic system. Christian Leopold von Buch and Neptunism Leopold von Buch…
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economics
The German Reinheitsgebot and the Secrets of Brewing Beer

The German Reinheitsgebot and the Secrets of Brewing Beer

Tabea Tietz
On April 23, 1516, in the city of Ingolstadt in the duchy of Bavaria, Duke Wilhelm IV. and Duke Ludwig X of Bavaria publish a new law that contains regulations about the price and the ingredients of beer. These Regulations later are called the ‘Reinheitsgebot‘ ( German Beer Purity Law), which states that the only ingredients that could be used in the production of beer are water, barley and hops. Augsburg, Nuremberg,…
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medical science
Gustav Fechner, Psychophysics, and the Ultimate Philosophic Problem

Gustav Fechner, Psychophysics, and the Ultimate Philosophic Problem

Tabea Tietz
On April 19, 1801, German philosopher, physicist and experimental psychologist Gustav Theodor Fechner was born. An early pioneer in experimental psychology and founder of psychophysics, he inspired many 20th century scientists and philosophers. He is also credited with demonstrating the non-linear relationship between psychological sensation and the physical intensity of a stimulus, which became known as the Weber–Fechner law. “Man lives on earth not once, but three times: the first stage of…
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aviation
Harriet Quimby – the First Woman to Fly Across the English Channel

Harriet Quimby – the First Woman to Fly Across the English Channel

Tabea Tietz
On April 16, 1912, Harriet Quimby became the first woman to fly across the English Channel. She was the the first woman to gain a pilot’s license in the United States. Although Quimby lived only to the age of thirty-seven, she had a major influence upon the role of women in aviation. Harriet Quimby Background Harriet Quimby was born into a farmer’s family in Michigan and moved to San Francisco in order…
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history
Samuel Johnson and his Famous Dictionary

Samuel Johnson and his Famous Dictionary

Tabea Tietz
On April 15, 1755, after nine years of intensive labor, Samuel Johnson publishes his “Dictionary of the English Language”, sometimes published as Johnson‘s Dictionary. It is among the most influential dictionaries in the history of the English language. “I am not yet so lost in lexicography, as to forget that words are the daughters of earth, and that things are the sons of heaven. Language is only the instrument of science, and…
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