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Johann Albrecht Euler (27 November 1734 [1] – 17 September 1800) was a Swiss-Russian astronomer and mathematician.Also known as Johann Albert Euler or John-Albert Euler, he was the first child born to the great Swiss mathematician Leonhard Euler (1707–1783), who had emigrated [for the first time] to Saint-Petersburg on 17 May 1727.
He was the oldest of four children, with two younger sisters, Anna Maria and Maria Magdalena, and a younger brother, Johann Heinrich. [ 20 ] [ 19 ] Soon after Leonhard's birth, the Eulers moved from Basel to Riehen , Switzerland, where his father became pastor in the local church and Leonhard spent most of his childhood.
Hans Heinrich Euler (6 October 1909 - 23 June 1941) was an Italian-born German physicist. He received his PhD in 1935 at the University of Leipzig under Werner Heisenberg with a thesis Über die Streuung von Licht an Licht nach der Diracschen Theorie (On the scattering of light by light based on Dirac's theory).
Euler is a German surname. Notable people with the surname include: Leonhard Euler (1707–1783), Swiss mathematician and physicist; Carl Euler (1834–1901), Swiss ornithologist; Hans Heinrich Euler (1901–1941), German physicist; Johann Euler (1734–1800), Swiss-Russian astronomer and mathematician
Euler, in the eighteenth century, was probably the first person to define transcendental numbers in the modern sense. [9] Johann Heinrich Lambert conjectured that e and π were both transcendental numbers in his 1768 paper proving the number π is irrational, and proposed a tentative sketch proof that π is transcendental. [10]
Entrance to the former Prussian Academy of Sciences on Unter Den Linden 8. Today it houses the Berlin State Library.. The Royal Prussian Academy of Sciences (German: Königlich-Preußische Akademie der Wissenschaften) was an academy established in Berlin, Germany on 11 July 1700, four years after the Prussian Academy of Arts, or "Arts Academy," to which "Berlin Academy" may also refer.
Johann Jacob Heber (1666–1727) – surveyor and geometer; Giovanni Gerolamo Saccheri (1667–1733) – non-Euclidean geometry; Leonhard Euler (1707–1783) Tobias Mayer (1723–1762) Johann Heinrich Lambert (1728–1777) – non-Euclidean geometry; Gaspard Monge (1746–1818) – descriptive geometry; John Playfair (1748–1819) – Euclidean ...
Anna Barbara Reinhart was the third child and first daughter of Councilor Salomon Reinhart (1693 - 1761) and Anna Steiner. [1]Her childhood was overshadowed by an accident when she fell off her horse at a wedding party, which caused her to be confined her to her bed for significant periods of time. [2]