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Tabea Tietz

women in science
Elizabeth Cabot Agassiz – Educator and Naturalist

Elizabeth Cabot Agassiz – Educator and Naturalist

Tabea Tietz
On December 5, 1822, American educator and naturalist Elizabeth Cabot Agassiz was born. A researcher of natural history, she was a contributing author to many scientific published works with her husband, Louis Agassiz.[4] Youth and Education Elizabeth Cabot Aggasiz was born Elizabeth Cabot Cary into a Boston Brahmin family of New England ancestry. Her parents were Mary Ann Cushing Perkins Cary and Thomas Graves Cary, who was a graduate of Harvard University in 1811.…
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mathematics
Gerardus Mercator – The Man who Mapped the Planet

Gerardus Mercator – The Man who Mapped the Planet

Tabea Tietz
On December 2, 1594, German cartographer, philosopher and mathematician Gerardus Mercator passed away. He is best known for his work in cartography, particular the world map of 1569 based on a new projection which represented sailing courses of constant bearing as straight lines. He was the first to use the term Atlas for a collection of maps. “Since my youth geography has been for me the primary object of study. When I was…
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women in science
Christine Ladd-Franklin and the Theory of Colour Vision

Christine Ladd-Franklin and the Theory of Colour Vision

Tabea Tietz
On December 1, 1847, American psychologist, logician, and mathematician Christine Ladd-Franklin was born. She is known for contributions to the theory of color vision accounting for the development of man’s color sense which countered the established views of Helmholtz, Young, and Hering. Her position was that color-sense developed in stages. Christine Ladd-Franklin – Early Years Christine Ladd was born in Windsor, Connecticut, to Eliphalet Ladd, a merchant, and Augusta Niles Ladd. She began…
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botany
John Ray and the Classification of Plants

John Ray and the Classification of Plants

Tabea Tietz
On November 29, 1627, English naturalist John Ray was born. He published important works on botany, zoology, and natural theology. His classification of plants in his Historia Plantarum, was an important step towards modern taxonomy. He advanced scientific empiricism against the deductive rationalism of the scholastics and was the first to give a biological definition of the term species. “I cannot but look upon the strange Instinct of this noisome and troublesome…
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physics
Anders Celsius and the Celsius Scale of Temperature

Anders Celsius and the Celsius Scale of Temperature

Tabea Tietz
On November 27, 1701, Swedish astronomer, physicist and mathematician Anders Celsius was born. He is famous for the temperature scale he developed and which is named after him. Besides the U.S. that measures temperature according to the scale developed by Fahrenheit, Celsius’ original scale was adopted as the international standard and is still used in almost all scientific work. Anders Celsius – Early Years Anders Celsius was born in Upsala, Sweden, the son of an…
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astronomy
Nicolas-Claude Fabri de Peiresc and the Discovery of the Orion Nebula

Nicolas-Claude Fabri de Peiresc and the Discovery of the Orion Nebula

Tabea Tietz
Around November 25, 1610, French astronomer and savant Nicolas-Claude Fabri de Peiresc “discovered” the Orion Nebula, a diffuse nebula situated south of Orion’s Belt in the constellation of Orion. It is one of the brightest nebulae, and is visible to the naked eye in the night sky. “But see, Orion sheds unwholesome dews; Arise, the pines a noxious shade diffuse; Sharp Boreas blows, and nature feels decay, Time conquers all, and we must…
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astronomy
Alfonso X from Spain and the Alfonsine Tables

Alfonso X from Spain and the Alfonsine Tables

Tabea Tietz
On November 23, 1221, Spanish King and astronomer Alfonso X of Castile was born, who encouraged the preparation of revised planetary tables. These “Alfonsine Tables” a revision and improvement of the Ptolemaic tables, were the best available during the Middle Ages. “Had I been present at the Creation, I would have given some useful hints for the better ordering of the universe.” – Alfonso X, after studying Ptolemy’s treatise on astronomy.[10] Alfonso…
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medical science
William Beaumont and the Mechanisms of Human Digestion

William Beaumont and the Mechanisms of Human Digestion

Tabea Tietz
On November 21, 1785, US-American surgeon William Beaumont was born. He became best known as “Father of Gastric Physiology” following his research on human digestion. “I submit a body of facts which cannot be invalidated. My opinions may be doubted, denied, or approved, according as they conflict or agree with the opinions of each individual who may read them; but their worth will be best determined by the foundation on which they rest—the incontrovertible…
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literature
Selma Lagerlöf and the wonderful Adventures of Nils Holgersson

Selma Lagerlöf and the wonderful Adventures of Nils Holgersson

Tabea Tietz
On November 20, 1858, Swedish author and Nobel Laureate Selma Lagerlöf was born. She is best known for her children’s book ‘The Wonderful Adventures of Nils‘. Moreover, she was the first female writer to win the Nobel Prize in literature. “If you have learned anything at all from us, Tummetott, you no longer think that the humans should have the whole earth to themselves.” – Selma Lagerlöf, The Further Adventures of Nils (1907) Selma Lagerlöf…
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economics
When Money Buys Little – the Hyperinflation of the Weimar Republic

When Money Buys Little – the Hyperinflation of the Weimar Republic

Tabea Tietz
Mid November 1923, the Hyperinflation of the Weimar Republic reached its peak. Due to Germany’s obligation to pay large reparations after World War I, a hyperinflation was induced reaching its peak in November 1923, when the American dollar was worth 4,210,500,000,000 German marks. “The bloody uproar of the war is over: let’s enjoy the carnival of the inflation. It’s loads of fun and paper, printed paper, flimsy stuff – do they still call…
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