Monthly Archives: February 2018

How Crick and Watson deciphered the DNA

How Crick and Watson deciphered the DNA

On February 28, 1953,  American molecular biologist James D. Watson and English biophysicist Francis Crick announced to friends that they succeeded to determine the chemical structure of DNA. “When finally interpreted, the genetic messages encoded within our DNA molecules will provide the ultimate answers to the chemical underpinnings of human existence.” – James D. Watson, in [11] DNA and RNA – the Prelude In 1869, the Swiss physician Friedrich Miescher discovered a…
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James Chadwick and the Discovery of the Neutron

James Chadwick and the Discovery of the Neutron

On February 27, 1932, English physicist and Nobel Laureate Sir James Chadwick published an article in the scientific journal ‘Nature‘ about the discovery of the neutron, a previously unknown particle in the atomic nucleus. Youth and Education Chadwick was born in Bollington, near Manchester. His parents were John Joseph Chadwick and Mary Anne Knowles. He first attended the Bollington Cross C of E Primary School and later the Central Grammar School for Boys…
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Jacques de Vaucanson and his Miraculous Automata

Jacques de Vaucanson and his Miraculous Automata

On February 24, 1709, French inventor and artist Jacques Vaucanson was born, who is best known for the creation of impressive and innovative automata and machines such as the first completely automated loom. “Without the voice of le Maure and Vaucanson’s duck, you would have nothing to remind you of the glory of France.” – Voltaire Early Years Jacques de Vaucanson was born in Grenoble, France. He grew up in a poor…
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The Amazing Diary of Samuel Pepys, Esq.

The Amazing Diary of Samuel Pepys, Esq.

On February 23, 1633, English naval administrator and Member of Parliament Samuel Pepys was born, who is now most famous for the diary he kept for a decade while still a relatively young man. The detailed private diary Pepys kept from 1660 until 1669 was first published in the 19th century, and is one of the most important primary sources for the English Restoration period. Personally, I really enjoyed reading Samuel Pepys’…
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The World according to Arthur Schopenhauer

The World according to Arthur Schopenhauer

On February 22, 1788, famous and most influential German philosopher Arthur Schopenhauer was born. He is best known for his book, The World as Will and Representation, in which he claimed that our world is driven by a continually dissatisfied will, continually seeking satisfaction. “It is the courage to make a clean breast of it in the face of every question that makes the philosopher.” — Arthur Schopenhauer, Letter to Johann Wolfgang…
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Karl Weierstrass – the Father of Modern Analysis

Karl Weierstrass – the Father of Modern Analysis

On February 19, 1897, German mathematician Karl Theodor Wilhelm Weierstrass passed away. Weierstrass often is cited as the “father of modern analysis“. He formalized the definition of the continuity of a function, proved the intermediate value theorem and the Bolzano–Weierstrass theorem, and used the latter to study the properties of continuous functions on closed bounded intervals. “… it is true that a mathematician who is not somewhat of a poet, will never be a…
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Ernst Mach and the eponymous Mach Number

Ernst Mach and the eponymous Mach Number

On February 18, 1838, Austrian physicist and philosopher Ernst Mach was born. Mach is noted for his contributions to physics such as study of shock waves. The ratio of one’s speed to that of sound is named the Mach number in his honor. As a philosopher of science, he was a major influence on logical positivism and American pragmatism. “There is no problem in all mathematics that cannot be solved by direct…
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The Astronomical Machines of Johannes Stöffler

The Astronomical Machines of Johannes Stöffler

On February 16, 1531, German mathematician, astronomer, astrologer, priest, and maker of astronomical instruments Johannes Stöffler passed away. Stöffler was the first professor of astronomy at the University of Tübingen. At the end of the 1490s, Stöffler calculated a continuation of Regiomontan’s ephemeris [1] and constructed an equator for Johannes Reuchlin – an analog calculating machine for the direct location of a planet‘s position at a given point in time. Johannes Stöffler – Early…
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Nikolaus Wirth and PASCAL – Programming Language for the Masses

Nikolaus Wirth and PASCAL – Programming Language for the Masses

On February 15, 1934, Swiss computer scientist Niklaus Emil Wirth was born. He is best known for designing several programming languages, including Pascal, and for pioneering several classic topics in software engineering. If there is (or better ‘was’) one programming language that I really loved in the same way I hated it, then it was Pascal. On the one hand it was a rather easy to understand beginners programming language, but when…
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Eugène Atget’s Old Paris

Eugène Atget’s Old Paris

On February 12, 1857, French photographer Eugène Atget was born. A pioneer of documentary photography, Atget is noted for his determination to document all of the architecture and street scenes of Paris before their disappearance to modernization. An inspiration for the surrealists and other artists, his genius was only recognized by a handful of young artists in the last two years of his life, and he did not live to see the…
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