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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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architecture
Andrea Palladio and the Rules of Harmony

Andrea Palladio and the Rules of Harmony

Harald Sack
On November 30, 1508, Italian Renaissance architect Andrea Palladio was born. Influenced by Roman and Greek architecture, primarily Vitruvius, Palladio is widely considered to be one of the most influential individuals in the history of architecture. “Beauty will result from the form and correspondence of the whole, with respect to the several parts, of the parts with regard to each other, and of these again to the whole; that the structure may appear…
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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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archeology
John Lloyd Stephens and the Archeology of Middle America

John Lloyd Stephens and the Archeology of Middle America

Harald Sack
On November 28,  1805, American explorer, writer, and diplomat John Lloyd Stephens was born. Stephens was a pivotal figure in the rediscovery of Maya civilization throughout Middle America and in the planning of the Panama railroad. His exploration of Maya ruins in Central America and Mexico generated the archaeology of Middle America. John Lloyd Stephens Background John Lloyd Stephens was born in the township of Shrewsbury, New Jersey, as the second son of…
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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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computer science
Norbert Wiener and the Science of Cybernetics

Norbert Wiener and the Science of Cybernetics

Harald Sack
On November 26, 1894, American mathematician Norbert Wiener was born. Wiener established the science of cybernetics, a term he coined, which is concerned with the common factors of control and communication in living organisms, automatic machines, and organizations. He attained international renown by formulating some of the most important contributions to mathematics in the 20th century. “Scientific discovery consists in the interpretation for our own convenience of a system of existence which has…
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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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art
Henri de Toulouse-Lautrec – A Giant in Art

Henri de Toulouse-Lautrec – A Giant in Art

Harald Sack
On November 24, 1864, French painter, printmaker, draughtsman and illustrator Henri de Toulouse-Lautrec was born. Toulouse-Lautrec – along with Cézanne, Van Gogh [4] and Gauguin [11] – is among the most well-known painters of the Post-Impressionist period. Although you might not be interested in art, for sure you will have heard about Henri Toulouse-Lautrec or you might have seen one of his paintings or famous posters. His artwork about the Fin de Siècle Paris and…
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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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aviation
Wiley Post and the Discovery of the Jet Stream

Wiley Post and the Discovery of the Jet Stream

Harald Sack
On November 22, 1898, US-American aviator Wiley Hardeman Post was born. Post was the first pilot to fly solo around the world and is also known for his work in high-altitude flying, where he helped to develop one of the first pressure suits and discovered the jet stream. “I cut the emergency switch just in time to keep ‘Winnie Mae’ from making an exhibition of herself by standing on her nose. That would…
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