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Harald Sack

mathematics
God made the integers, all the rest is the work of man – Leopold Kronecker

God made the integers, all the rest is the work of man – Leopold Kronecker

Harald Sack
On December 7, 1823, German mathematician Leopold Kronecker was born, who worked on number theory and algebra. He criticized Cantor’s work on set theory, and his most cited quote says, “Die ganzen Zahlen hat der liebe Gott gemacht, alles andere ist Menschenwerk” (traditionally rendered: “God made natural numbers; all else is the work of man“.) Leopold Kronecker – Early Life Leopold Kronecker was born in Liegnitz, Prussia (now Legnica, Poland) in a wealthy Jewish…
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poetry
Modernism and Poetic Tradition – the Works of Rainer Maria Rilke

Modernism and Poetic Tradition – the Works of Rainer Maria Rilke

Harald Sack
On December 4, 1875, Bohemian-Austrian poet and novelist Rainer Maria Rilke was born. With his dingly poetry, completed in the New Poems and influenced by the visual arts, he is considered one of the most important poets of literary modernism. From Rilke’s work there are several stories, a novel and essays on art and culture as well as numerous translations of literature and poetry. His extensive correspondence is considered an important part…
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communication
Merry Christmas or How the SMS was born

Merry Christmas or How the SMS was born

Harald Sack
On December 3, 1992, the world‘s first SMS (Short Messaging Service) message was sent from Neil Papworth of Sema Group over the Vodafone GSM network in the United Kingdom. The text of the very first SMS message was simply “Merry Christmas.” For almost 30 years now we are using this messaging service. Annoyed by the tiny keyboard and by the fact that you have to keep your messages short, because you only…
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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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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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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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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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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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physics
Eugene Wigner and the Structure of the Atomic Nucleus

Eugene Wigner and the Structure of the Atomic Nucleus

Harald Sack
On November 17, 1902, Hungarian American theoretical physicist and mathematician Eugene Paul Wigner was born. He is best known for for his contributions to the theory of the atomic nucleus and the elementary particles, particularly through the discovery and application of fundamental symmetry principles for which he shared the 1963 Nobel Prize in Physics with Maria Goeppert. [4] “A possible explanation of the physicist’s use of mathematics to formulate his laws of nature…
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mathematics
Eugenio Beltrami and the Consistency of Non-Euclidian Geometry

Eugenio Beltrami and the Consistency of Non-Euclidian Geometry

Harald Sack
On November 16, 1835, Italian mathematician Eugenio Beltrami was born. He is most notable for his work concerning differential geometry and mathematical physics. His work was noted especially for clarity of exposition. He was the first to prove consistency of non-Euclidean geometry by modeling it on a surface of constant curvature, the pseudosphere. “Students should learn to study at an early stage the great works of the great masters instead of making their minds sterile through…
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