Yearly Archives: 2017

Edward Condon – Pioneer in Quantum Mechanics – SciHi Blog

Edward Condon – Pioneer in Quantum Mechanics – SciHi Blog

On March 2, 1902, American nuclear physicist Edward Uhler Condon was born. Condon was a pioneer in quantum mechanics and a participant in the development of radar and nuclear weapons during World War II as part of the Manhattan Project. The Franck–Condon principle and the Slater–Condon rules are co-named after him. “I have lost a good deal of sleep trying to figure out how you could have talked this way about a…
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John Pell and the Obelus

John Pell and the Obelus

On March 1, 1611, English mathematician John Pell was born. Pell introduced the division sign (obelus, ÷) into England. The obelus was first used by Johann Rahn (1622-1676) in 1659 in Teutsche Algebra. Rahn’s book was interpreted into English and published, with additions made by John Pell. John Pell – Early Years Pell was born in Southwick in Sussex, where his father of the same name, John Pell, was pastor and rector; his…
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Yovisto becomes SciHi – The Daily Blog on Science, Technology & Art in History

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

  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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Philip Showalter Hench and the Hormone Cortison

Philip Showalter Hench and the Hormone Cortison

On February 28, 1898, American physician Philip Showalter Hench was born. Hench, along with his Mayo Clinic co-worker Edward Calvin Kendall and Swiss chemist Tadeus Reichstein was awarded the Nobel Prize for Physiology or Medicine in 1950 for the discovery of the hormone cortisone, and its application for the treatment of rheumatoid arthritis. Youth and Education Philip Showalter Hench was born in Pittsburgh, Pennsylvania, USA, the son of Jacob Bixler Hench and…
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The Beautiful Aircraft Designs of Kelly Johnson

The Beautiful Aircraft Designs of Kelly Johnson

On February 27, 1910, American aeronautical and systems engineer Kelly Johnson was born. He is recognized for his contributions to a series of important aircraft designs, most notably the Lockheed U-2 and SR-71 Blackbird.[4] Besides the first production aircraft to exceed Mach 3, he also produced the first fighter capable of Mach 2, and many other contributions to a large number of aircraft. Early Years Clarence Leonard Johnson was enthusiastic for aircraft…
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Steve Jobs – American Businessman, Inventor, and Industrial Designer

Steve Jobs – American Businessman, Inventor, and Industrial Designer

On February 24, 1955, American businessman, inventor, and industrial designer Steve Jobs was born. Jobs is widely recognized as a pioneer of the microcomputer revolution of the 1970s and 1980s, along with Apple co-founder Steve Wozniak. “What a computer is to me is it’s the most remarkable tool that we have ever come up with. It’s the equivalent of a bicycle for our minds.” — Steve Jobs, as quoted in Memory and…
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Gustav Nachtigal and the Explorations in Africa

Gustav Nachtigal and the Explorations in Africa

On February 23, 1834, German Africa Explorer Gustav Nachtigal was born. He is further known as the German Empire’s consul-general for Tunisia and Commissioner for West Africa. His mission as commissioner resulted in Togoland and Kamerun becoming the first colonies of a German colonial empire. making him a key figure in German colonial propaganda Early Years Gustav Nachtigal’s father, the priest Carl Friedrich Nachtigal, died of lung consumption as early as 1839. After his…
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Cardinal Richelieu and the Académie Francaise

Cardinal Richelieu and the Académie Francaise

On February 22, 1635, on the urging of Cardinal Richelieu, the chief minister of France, King Louis XIII of France, formally established the Académie française, the French academy. It is the pre-eminent French council for matters pertaining to the French language. The Académie consists of forty members, known informally as “les immortels” (the immortals). The body has the task of acting as an official authority on the language; it is charged with publishing…
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William Grey Walter and his Machina speculatrix

William Grey Walter and his Machina speculatrix

On February 19, 1910, British neurophysiologist and robotician William Grey Walter was born. Walter is best known for linking learning with a particular brain wave as revealed by measurements by electroencephalograph. But his most famous work was his construction of some of the first electronic autonomous robots. “The mechanism of learning is of course one of the most enthralling and baffling mysteries in the field of biology.” – William Grey Walter, A machine that…
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Heinrich Karl Brugsch and the Decipherment of Demotic Script

Heinrich Karl Brugsch and the Decipherment of Demotic Script

On February 18, 1827, German egyptologist Heinrich Karl Brugsch was born. Brugsch was associated with Auguste Mariette in his excavations at Memphis and pioneered in the decipherment of Demotic, the simplified script of the later Egyptian periods. He also recognized the Semitic side of Egyptian grammar, thus enabling a far more comprehensive and systematic understanding of hieroglyphs. Self-taught Studies in Egyptology Heinrich Karl Brugsch was born in Berlin, Germany, as the son…
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