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Harald Sack

physics
Vilhelm Bjerknes – A Pioneer of Modern Weatherforecast

Vilhelm Bjerknes – A Pioneer of Modern Weatherforecast

Harald Sack
On March 14, 1862, Norwegian physicist and meteorologist Vilhelm Bjerknes was born, Bjerknes is best known for being one of the founders of the modern science of weather forecasting with his 1921 published work “On the Dynamics of the Circular Vortex with Applications to the Atmosphere and to Atmospheric Vortex and Wave Motion“. Youth and Education Vilhelm Frimann Koren Bjerknes was born in Kristiania (later renamed Oslo), Norway, and enjoyed an early exposure…
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biology
Marcello Malpighi – The Father of Microscopical Anatomy

Marcello Malpighi – The Father of Microscopical Anatomy

Harald Sack
On March 10, 1628, Italian biologist and physician Marcello Malpighi was born. Malpighi is referred to as the “Father of microscopical anatomy, histology, physiology and embryology“. In developing experimental methods to study living things, Malpighi founded the science of microscopic anatomy. After Malpighi‘s researches, microscopic anatomy became a prerequisite for advances in the fields of physiology, embryology, and practical medicine. Youth and Education Marcello Malpighi was born at Crevalcore near Bologna, Italy,…
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general
Yovisto becomes SciHi – The Daily Blog on Science, Technology & Art in History

Yovisto becomes SciHi – The Daily Blog on Science, Technology & Art in History

Harald Sack
  Dear Readers, Followers, and Friends, For almost 5 years now, yovisto has maintained and hosted this daily blog on the history of science, technology, and art under its domain. From now on, the blog will continue under its own label “SciHi – The Daily Blog on Science, Technology & Art in History” under our new domain scihi.org. Of course, we will keep our affiliation with yovisto’s video search engine. Moreover, the…
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engineering
Henry Martyn Leland and his Motorcars

Henry Martyn Leland and his Motorcars

Harald Sack
On February 16, 1843, American machinist, inventor, engineer and automotive entrepreneur Henry Martyn Leland was born. Leland founded Cadillac Motors (22 Aug 1902) to build the Cadillac, the first automobile with high-precision, fully-interchangable parts. During WW I, he formed a new company to manufactured aircraft engines, which after the war he produced a new automobile: the Lincoln. “Mr. Sloan, Cadillacs are made to run, not just to sell.”, Henry Martin Leland, cited in…
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computer science

Rolf Landauer and the Landauer Principle

Harald Sack
On February 4, 1927, German-American physicist Rolf William Landauer was born. Landauer made important contributions in diverse areas of the thermodynamics of information processing, condensed matter physics, and the conductivity of disordered media. He is probably best known for the formulation of the eponymous Landauer Principle concerning the energy used during a computer‘s operation. “We shall call a device logically irreversible if the output of a device does not uniquely define the…
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chemistry
Victor Moritz Goldschmidt and the Origins of Geochemistry

Victor Moritz Goldschmidt and the Origins of Geochemistry

Harald Sack
On January 27, 1888, Swiss-Norwegian geochemist, mineralogist and petrologist Victor Moritz Goldschmidt was born. Goldschmidt is considered (together with Vladimir Vernadsky) to be the founder of modern geochemistry and crystal chemistry, as well as the developer of the Goldschmidt Classification of elements. “Every beginning is hard. At most stopping is sometimes even harder.” – Victor Moritz Goldschmidt, as quoted in [9] Victor Moritz Goldschmidt’s Early Years Goldschmidt was born in Zürich, Switzerland,…
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physics
Hideki Yukawa and the Existence of Mesons

Hideki Yukawa and the Existence of Mesons

Harald Sack
On January 23, 1907, Japanese theoretical physicist and the first Japanese Nobel laureate Hideki Yukawa was born. Yukawa shared the 1949 Nobel Prize for Physics for “his prediction of the existence of mesons on the basis of theoretical work on nuclear forces.” “Reality is cruel. All of the naivete is going to be removed. Reality is always changing, and it is always unpredictable. All of the balance is going to be destroyed.”…
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archeology
François Lenormant and the Akkadian Language

François Lenormant and the Akkadian Language

Harald Sack
On January 17, 1837, French assyriologist and archaeologist François Lenormant was born. Lenormant recognized, from cuneiform inscriptions, a language now known as Akkadian that proved valuable to the understanding of Mesopotamian civilization 3,000 years before the Christian era. François Lenormant – Youth and Education François Lenormant was born in Paris, France, to his father Charles Lenormant, who, distinguished as an archaeologist, numismatist and Egyptologist, was anxious that his son should follow in…
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physics
Stephen Hawking and the Hairy Black Holes

Stephen Hawking and the Hairy Black Holes

Harald Sack
When I read the news that Stephen Hawking passed away, I was rather sad. I grew up with a fascination for astronomy and cosmology. Trying to understand the fabrics and working of the universe, I devoured his popular books and articles and I am rather thankful. Amongst others it was foremost this unique physicist, who planted the seed for my decision to become a scientist myself. However, I abandoned physics after high…
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medical science
Sir Thomas Lewis – the Father of clinical cardiac electrophysiology

Sir Thomas Lewis – the Father of clinical cardiac electrophysiology

Harald Sack
On December 26, 1881, British cardiologist Sir Thomas Lewis was born. Lewis has been called the “father of clinical cardiac electrophysiology.” He coined the terms “clinical science,” “pacemaker,” “premature contractions,” and “auricular fibrillation.” Childhood and Education Thomas Lewis was born in Taffs Well, Cardiff, Wales, the son of Henry Lewis, a mining engineer, who was awarded the Albert Medal for bravery during rescue work in underground mines [2], and his wife Catherine…
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