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Tabea Tietz

social science
Max Weber – one of the Founders of Sociology

Max Weber – one of the Founders of Sociology

Tabea Tietz
On April 21, 1864, German sociologist, philosopher, jurist, and political economist Max Weber was born. Max Weber‘s ideas profoundly influenced social theory and social research. Weber is often cited, with Émile Durkheim [3] and Karl Marx,[4] as among the three founders of sociology. “The capacity to distinguish between empirical knowledge and value-judgments, and the fulfillment of the scientific duty to see the factual truth as well as the practical duty to stand up for…
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chemistry
Happy Bicycle Day – Albert Hofmann’s Research on LSD

Happy Bicycle Day – Albert Hofmann’s Research on LSD

Tabea Tietz
On April 19, 1943, Swiss chemist Albert Hofmann in the Sandoz (now Novartis) laboratories in Basel, Switzerland performed a self-experiment to determine the true effects of LSD, intentionally ingesting 0.25 milligrams (250 micrograms) of the substance, an amount he predicted to be a threshold dose (an actual threshold dose is 20 micrograms). While riding home on his bicycle, he experienced the very first LSD trip, now referred to as “Bicycle Day”, and proved…
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mathematics
The Important Theorem of Thomas Bayes

The Important Theorem of Thomas Bayes

Tabea Tietz
On April 17, 1761, English mathematician and Presbyterian minister Thomas Bayes passed away. He is best known as name giver of the Bayes’ theorem, of which he had developed a special case. It expresses (in the Bayesian interpretation) how a subjective degree of belief should rationally change to account for evidence, and finds application in in fields including science, engineering, economics (particularly microeconomics), game theory, medicine and law. “[My favourite fellow of the…
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history
Titanic – the Unsinkable Ship and the Iceberg

Titanic – the Unsinkable Ship and the Iceberg

Tabea Tietz
On April 15, 1912, 2:20 AM, British passenger liner Titanic sank after colliding with an iceberg in the North Atlantic during her maiden voyage from Southampton to New York City, US, causing more than 1,500 deaths. The Largest Vessel of the White Star Line The RMS Titanic was one of the largest vessels of the White Star Line with a length of 269.06 m (882 feet) and a total weight of 46,328 gross…
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space
Yuri Gagarin – the first Man in Space

Yuri Gagarin – the first Man in Space

Tabea Tietz
On 12 April 1961, aboard the Vostok 3KA-3 (Vostok 1), Soviet pilot Yuri Gagarin became both the first human to travel into space, and also the first to orbit the earth. Youth and Education Gagarin was born on 9 March 1934 in the village of Kluschino near Gschatsk as the son of a Russian peasant family. His father Alexei Ivanovich Gagarin (1902-1973) was a carpenter in the collective farm there, his mother…
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history
Houston, we have a Problem

Houston, we have a Problem

Tabea Tietz
On April 11, 1970, at 13:13 CST Apollo 13 was launched from the Kennedy Space Center, Florida, but the lunar landing was aborted after an oxygen tank exploded two days later, crippling the service module upon which the Command Module depended. Despite great hardship caused by limited power, loss of cabin heat, shortage of potable water, and the critical need to jury-rig the carbon dioxide removal system, the crew returned safely to…
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mathematics
The Short but Influential Life of Niels Henrik Abel

The Short but Influential Life of Niels Henrik Abel

Tabea Tietz
On April 6, 1829, Norwegian mathematician Niels Henrik Abel passed away. Abel is well known in mathematics for proving the impossibility of solving the quintic equation by radicals. In parallel to Évariste Galois – who also died very young – , he laid the foundations of group theory.[8] “The mathematicians have been very much absorbed with finding the general solution of algebraic equations, and several of them have tried to prove the…
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art
Nadar and How Photography became an Art

Nadar and How Photography became an Art

Tabea Tietz
On April 5, 1820, Gaspard-Félix Tournachon better known under his pseudonym Nadar, was born. He is considered to be one of the first grand masters of photography, besides being a caricaturist, a journalist, a novelist, and also a renown balloonist. Early Years Tall, red-haired, with frightened eyes, whimsical to the vagrant youth, Felix Nadar defined himself as “a real daredevil, a jack-of-all-trades, ill-mannered to the point of calling things by their name, and…
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explorer
Charles Wilkes and the Exploring Expedition of 1838

Charles Wilkes and the Exploring Expedition of 1838

Tabea Tietz
On April 3, 1789, American Naval officer and explorer Charles Wilkes was born. Wilkes led the United States Exploring Expedition, 1838-1842, on which he determined that Antarctica (which Wilkes so named) is a continent. He also commanded the ship in the Trent Affair during the American Civil War (1861–1865), where he attacked a Royal Mail Ship, almost leading to war between the US and the UK. Charles Wilkes and the U.S. Exploring…
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art
Maria Sibylla Merian and her Love for Nature’s Details

Maria Sibylla Merian and her Love for Nature’s Details

Tabea Tietz
On April 2, 1647, the German naturalist and scientific illustrator Maria Sibylla Merian was born. Even though she is not very well known for her achievements, she made significant contributions to entomology through the observation and documentation of the metamorphosis of the butterfly. “Art and nature shall always be wrestling until they eventually conquer one another so that the victory is the same stroke and line: that which is conquered, conquers at…
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