Leonard Euler

Caspar Friedrich Wolff – the Founder of Embryology

Caspar Friedrich Wolff – the Founder of Embryology

On January 18, 1734, German physiologist Caspar Friedrich Wolff was born. He is recognized as one of the founders of embryology. In Theoria Generationis (1759) he first wrote an epigenetic theory of development: that the organs of living things take shape gradually from non-specific tissue. Youth and Education Caspar Friedrich Wolff was born in Berlin in 1734 as the son of master tailor Johann Wolff and his wife Anna Sophie Wolff née Stiebeler.…
Read more
Jean Baptiste le Rond d’Alembert  and the Great Encyclopedy

Jean Baptiste le Rond d’Alembert and the Great Encyclopedy

On November 16, 1717, French mathematician, mechanician, physicist, philosopher, and music theorist Jean Baptiste le Rond d’Alembert was born. He was one of the most important mathematicians and physicists of the 18th century and a philosopher of the Enlightenment.  Probably he is best known as co-editor with Denis Diderot of the famous Encyclopédie, edited between 1751 and 1772.[5] “Nothing is more incontestable than the existence of our sensations; …” — Jean Baptiste le Rond d’Alembert,…
Read more
Although I Cannot Prove it… – The Famous Goldbach Conjecture

Although I Cannot Prove it… – The Famous Goldbach Conjecture

On the 7th of June 1742, Prussian mathematician Christian Goldbach wrote a letter to his famous colleague Leonard Euler, which should make history. Well, at least in the mathematical world. In this letter Christian Goldbach refined an already previously stated conjecture from number theory concerning primes to his friend Euler, which by today is known as the famous Goldbach conjecture. It states: Every even integer greater than 2 can be expressed as the…
Read more
The Celestial Mechanics of Anders Johan Lexell

The Celestial Mechanics of Anders Johan Lexell

On December 24, 1740, Finnish-Swedish astronomer, mathematician, and physicist Anders Johan Lexell was born. Lexell made important discoveries in polygonometry and celestial mechanics; the latter led to a comet named in his honour. La Grande Encyclopédie states that he was the prominent mathematician of his time who contributed to spherical trigonometry with new and interesting solutions, which he took as a basis for his research of comet and planet motion. His name…
Read more
John Dollond – Improving the Telescope with Achromatic Lenses

John Dollond – Improving the Telescope with Achromatic Lenses

On June 10, 1706 (10 June O.S. / 21 June N.S.), English optician John Dollond was born. He is known for his successful optics business and his patenting and commercialization of achromatic lenses. John Dolland Background John Dollond came from a Huguenot emigrant family and initially worked as a silk weaver like everyone else in his family, but was also involved in astronomy and optics. He studied Latin, Greek, mathematics, physics, and anatomy…
Read more
Relation Browser
Timeline
0 Recommended Articles:
0 Recommended Articles: