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Giambattista della Porta – Natural Magic and the Academy of Secrets

Giambattista della Porta – Natural Magic and the Academy of Secrets

Harald Sack
On February 4, 1615, Italian scholar, polymath and playwright Giambattista della Porta passed away. Besides occult philosophy, astrology, alchemy, mathematics, meteorology, and natural philosophy, della Porta worked on cryptography and also on optics. He claimed to be the inventor of the telescope although he does not appear to have constructed one before Galileo [4]. “Having observed the forces of all things natural and celestial and having examined by painstaking investigation the sympathy among…
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photography
Nicéphore Niépce and the World’s First Photograph

Nicéphore Niépce and the World’s First Photograph

Harald Sack
On March 7, 1765, French inventor Nicéphore Niépce was born, who is best known as one of the inventors of photography and a pioneer in the field. He developed heliography, a technique used to produce the world‘s first known photograph in 1825. Early Life Niépce was born in Chalon-sur-Saône, Saône-et-Loire, where his father Claude Niépce was a wealthy lawyer and the king’s counsellor, which caused the family to flee the French Revolution.…
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astronomy

Johannes Fabricius and the Observation of Sunspots

Tabea Tietz
Probably on June 13, 1611, Frisian astronomer Johannes Fabricius published his Narratio de maculis in sole observatis et apparente earum cum sole conversione (Account of Spots Observed on the Sun and of Their Apparent Rotation with the Sun), which counts as the first published description of sunspots. Nevertheless, sunspots have been discovered earlier, as the first record of a sunspot drawing dates back into the 12th century to John of Worcester in 1128. Johannes…
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