Aristotle

Nicole Oresme – Polymath of the Late Middle Ages

Nicole Oresme – Polymath of the Late Middle Ages

On July 11, 1382, significant philosopher of the later Middle Ages Nicole Oresme passed away. As for many historic people of the middle ages, his actual birthdate is unknown and can only be fixed to a period between 1325 and 1330. Nicole Oresme besides William of Ockham [7] or Jean Buridan — a French priest who sowed the seeds of the Copernican revolution in Europe [6] — is considered as one of the most…
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Pico della Mirandola and the 900 Theses

Pico della Mirandola and the 900 Theses

On February 24, 1463, Italian Renaissance philosopher Count Giovanni Pico della Mirandola was born. He is famous for, when at the age of 23, he proposed to defend 900 theses on religion, philosophy, natural philosophy and magic against all comers, for which he wrote the famous Oration on the Dignity of Man, which has been called the “Manifesto of the Renaissance“, and a key text of Renaissance humanism and of what has…
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Nikolaus Copernicus and the Heliocentric Model

Nikolaus Copernicus and the Heliocentric Model

On February 19, 1473, Renaissance mathematician and astronomer Nikolaus Copernicus was born, who established the heliocentric model, which placed the Sun, rather than the Earth, at the center of the universe. With the publication of his research he started the so-called Copernican Recolution, which started a paradigm shift away from the former Ptolemaic model of the heavens, which postulated the Earth at the center of the universe, towards the heliocentric model with the…
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Charles Darwin and the Natural Selection

Charles Darwin and the Natural Selection

On February 12, 1809, the English naturalist Charles Darwin was born. He popularized the term ‘natural selection‘ as a milestone in modern biology, which was introduced in his masterpiece ‘On the Origin of Species‘ in 1859. It is easy to specify the individual objects of admiration in these grand scenes; but it is not possible to give an adequate idea of the higher feelings of wonder, astonishment, and devotion, which fill and elevate…
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Anna Komnena – Byzantine Historian of the First Crusade

Anna Komnena – Byzantine Historian of the First Crusade

Anna Komnena was a Byzantinian Princess in the 11th century. She is considered one of the world’s first female historian and a major source of information about the reign of her father, Alexius I. in the times of the crusades. Of course this is rather unusual for the time being, that a princess writes about the life of her father, The Alexiad, and even more that this piece of writing should become…
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And Kepler Has His Own Opera – Kepler’s 3rd Planetary Law

And Kepler Has His Own Opera – Kepler’s 3rd Planetary Law

On May 15, 1618, famous astronomer Johannes Kepler discovered the 3rd and also last of his planetary laws, and concluded the general revolution of our celestial world that started with Nikolaus Kopernikus about 100 years earlier.[1] And that made him rather popular as he still is today. Did you know that there is a Kepler crater on the Moon, a Kepler crater on Mars, a Kepler asteroid, a Kepler supernova, of course there…
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Georg Cantor and the Beauty of Infinity

Georg Cantor and the Beauty of Infinity

On March 3, 1845, German mathematician Georg Cantor, creator of the set theory was born. Set Theory is considered the fundamental theory of mathematics. He also proved that the real numbers are “more numerous” than the natural numbers, which was quite shocking for his contemporaries that there should be different numbers of infinity. “In mathematics the art of asking questions is more valuable than solving problems.” – Georg Cantor, Doctoral thesis (1867) Youth…
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Hipparchus of Nicaea and the Precession of the Equinoxes

Hipparchus of Nicaea and the Precession of the Equinoxes

Hipparchus of Nicaea was a Greek astronomer, geographer, and mathematician in the second century BC. He is considered the founder of trigonometry but is most famous for his incidental discovery of precession of the equinoxes. His other reputed achievements include the discovery and measurement of Earth‘s precession, the compilation of the first comprehensive star catalog of the western world, and possibly the invention of the astrolabe, also of the armillary sphere, which…
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Averroes – The Commentator and Polymath

Averroes – The Commentator and Polymath

On December 10, 1198, medieval Andalusian polymath Abū l-Walīd Muḥammad Ibn ʾAḥmad Ibn Rušd, better known as Averroes, passed away. Averroes wrote on logic, Aristotelian and Islamic philosophy, theology, the Maliki school of Islamic jurisprudence, psychology, political and Andalusian classical music theory, geography, mathematics, and the mediæval sciences of medicine, astronomy, physics, and celestial mechanics. Averroes had a greater impact on Christian Europe: he has been described as the “founding father of…
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Theophrastus of Eresos – the Father of Botany

Theophrastus of Eresos – the Father of Botany

Theophrastos of Eresos, who studied in Plato’s philosopher’s school, is most famous for his groundbreaking work on plants. Thus, he is often referred to as the ‘father of botany’. His two surviving botanical works, Enquiry into Plants (Historia Plantarum) and On the Causes of Plants, were an important influence on Renaissance science. Theophrastus of Eresos was a native of Eresos in Lesbos and his given name was Tyrtamus. It is believed that…
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