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Tabea Tietz

literature
Isaac Asimov and the Three Laws of Robotics

Isaac Asimov and the Three Laws of Robotics

Tabea Tietz
On January 2, 1920, the Russian-born author and professor of biochemistry Isaac Asimov was born. He was best known for his science fiction works in which he coined the term ‘robotics‘ and his popular science books. The Three Laws of Robotics 1.A robot may not injure a human being or, through inaction, allow a human being to come to harm. 2. A robot must obey the orders given to it by human…
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medical science
Carl Ludwig – Pioneer of Modern Physiology

Carl Ludwig – Pioneer of Modern Physiology

Tabea Tietz
On December 29, 1816, German physician and physiologist Carl Friedrich Wilhelm Ludwig was born. Ludwig was one of the creators of modern physiology. He applied the experimental approach of chemistry and physics to explain the way the body functions. Ludwig investigated the structure of the kidneys and cardiac activity. Early Life Carl Ludwig was born in Witzenhausen an der Werra, near Kassel, Germany. His father was the rent master in Witzenhausen, later promoted…
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chemistry
Carl Remigius Fresenius and the Analytical Chemistry

Carl Remigius Fresenius and the Analytical Chemistry

Tabea Tietz
On December 28, 1818, German chemist Carl Remigius Fresenius was born. Fresenius is known for his studies in analytical chemistry. He devised a method for systematic identification and separation of individual metal and non-metal ions, selecting the most suitable reactions from the many that were known. Early Years Carl Remigius Fresenius was born in Frankfurt am Main, Germany, the son of Jakob Samuel Heinrich Fresenius, a lawyer with a doctorate in law. After…
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geology
Emil Wiechert – Mapping the Inner Structure of the Earth

Emil Wiechert – Mapping the Inner Structure of the Earth

Tabea Tietz
On December 26, 1861, German geophysicist Emil Johann Wiechert was born. Wiechert made many contributions to both fields, including presenting the first verifiable model of a layered structure of the Earth and being among the first to discover the electron. He invented the “inverted pendulum” seismograph, (an improvement still incorporated in today’s instruments), with which he was able to detect some of the Earth‘s inner structure. He suggested the Earth has an inner,…
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astronomy
The Celestial Mechanics of Anders Johan Lexell

The Celestial Mechanics of Anders Johan Lexell

Tabea Tietz
On December 24, 1740, Finnish-Swedish astronomer, mathematician, and physicist Anders Johan Lexell was born. Lexell made important discoveries in polygonometry and celestial mechanics; the latter led to a comet named in his honour. La Grande Encyclopédie states that he was the prominent mathematician of his time who contributed to spherical trigonometry with new and interesting solutions, which he took as a basis for his research of comet and planet motion. His name…
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physics
Nicholas Callan and the Induction Coil

Nicholas Callan and the Induction Coil

Tabea Tietz
On December 22, 1799, Irish priest and physicist Nicholas Callan was born. Callan invented the induction coil (1836) before that of better-known Heinrich Ruhmkorff. Callan‘s coil was built using a horseshoe shaped iron bar wound with a secondary coil of thin insulated wire under a separate winding of thick insulated wire as the “primary” coil. Each time a battery‘s current through the “primary” coil was interrupted, a high voltage current was produced in…
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chemistry
Jaroslav Heyrovský and the Polarography

Jaroslav Heyrovský and the Polarography

Tabea Tietz
On December 20, 1890, Czech chemist and inventor Jaroslav Heyrovský was born. Jaroslav Heyrovský received the 1959 Nobel Prize in Chemistry “for his discovery and development of the polarographic methods of analysis” (1922), which is one of the most versatile analytical techniques. It applies the principle that in electrolysis the ions are discharged at an electrode and, if the electrode is small, the current may be limited by the rate of movement of…
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art
Walter Dorwin Teague – The Dean of US Industrial Design

Walter Dorwin Teague – The Dean of US Industrial Design

Tabea Tietz
On December 18, 1883, American industrial designer, architect, illustrator, graphic designer, writer, and entrepreneur Walter Dorwin Teague was born. Often referred to as the “Dean of Industrial Design”, Teague pioneered in the establishment of industrial design as a profession in the US. Regarded as a classicist and a traditionalist despite a later shift to modern tastes, Teague is recognized as a critical figure in the spread of mid-century modernism in America. He…
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medical science
Ernst von Bergmann – A Pioneer of Aseptical Surgery

Ernst von Bergmann – A Pioneer of Aseptical Surgery

Tabea Tietz
On December 16 1836 (greg.), Baltic German surgeon Ernst von Bergmann was born. Von Bergmann was a pioneer of aseptic surgery and must undoubtedly be attributed to the greatest surgeons of his time. His main merits are the co-foundation of brain surgery and the introduction of asepsis in wound treatment. “Nature seems to smile to us, and we overlook her secretly threatening finger.” – Ernst von Bergmann, as quoted in [6] Early Years and…
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economics
Henry Charles Carey and his Influence on U.S. Economy

Henry Charles Carey and his Influence on U.S. Economy

Tabea Tietz
On December 15, 1793, 19th-century economist of the American School of capitalism Henry Charles Carey was born. Carey was chief economic adviser to U.S. President Abraham Lincoln. Family Background and Life Born in Philadelphia, Pennsylvania, Henry James Carey succeeded his father Mathew Careyin his publishing company, who was an Irish influential economist, political reformer, editor, and publisher, and who had gone into exile for political reasons. In 1821 Carey took over the management…
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