Three years after his wife’s death, Euler married her half-sister, Salome Abigail Gsell (1723-1794). Of their thirteen children, only five survived childhood. ![]() The young couple bought a house by the Neva River. On 7 th January 1734, Leonhard Euler married Katharina Gsell (1707-1773), a daughter of Georg Gsell, a painter from the Academy Gymnasium. Euler later won this annual prize twelve times. ![]() Pierre Bouguer, who became known as “the father of naval architecture”, won and Euler took second place. In 1727, he first entered the Paris Academy Prize Problem competition the problem that year was to find the best way to place the masts on a ship. At that time, he was unsuccessfully attempting to obtain a position at the University of Basel. In 1726, Euler completed a dissertation on the propagation of sound with the title De Sono. Johann Bernoulli who was teaching Euler at the time articulated to his father that he was destined to become a great mathematician and that he should not go for the priesthood. On insistence by his father, Euler also studied other subjects such as theology, Greek and Hebrew. When he was only thirteen, Euler entered the University of Basel receiving his Master’s degree in 1723 with a brilliant dissertation to his name, the likes of which could be compared to Issac Newton and René Descartes. Paul Euler was a friend of the Bernoulli family Johann Bernoulli was then regarded as Europe’s foremost mathematician, and would eventually be the most important influence on young Leonhard. Soon after the birth of Leonhard, the Eulers moved from Basel to the town of Riehen, where Euler spent most of his childhood. He had two younger sisters: Anna Maria and Maria Magdalena, and a younger brother Johann Heinrich. His father was a pastor of the Reformed Church while his mother was the daughter of a pastor, thus Euler was raised in a religious environment. A statement attributed to Pierre-Simon Laplace expresses Euler’s influence on mathematics: “Read Euler, read Euler, he is the master of us all.”Ī Swiss mathematician and physicist, Leonhard Euler was born on 15 April 1707, in Basel, Switzerland, to Paul Euler and Marguerite Brucker. He spent most of his adult life in Saint Petersburg, Russia, and in Berlin, then the capital of Prussia. His collected works fill 60 to 80 quarto volumes, more than anybody in the field. He was plagued by deteriorating eyesight which rendered him almost blind, yet his productivity never suffered.Įuler is also widely considered to be the most prolific mathematician of all time. Two numbers are named after him: Euler’s Number in calculus, e, and Euler-Mascheroni Constant, γ also called “Euler’s constant”. A prolific mathematician, his works cover several areas of the subject such as algebra, geometry, calculus, and trigonometry and number theory. Throughout his working career, Euler authored several textbooks and memoirs in which he introduced many concepts, especially in the area of mathematical analysis. Euler’s father wanted to prepare him for a career in theology and it was Bernoulli who persuaded his friend to let the boy study mathematics. As luck would have it, Johann Bernoulli, Europe’s foremost mathematician of his time, was a friend of Leonhard’s father and the influence of this great mathematician on the young Leonhard was immense. Euler’s interest in mathematics stemmed from his childhood when his father would teach him the subject. Many concepts of modern mathematics originated from the works of this eminent mathematician whose works also spanned the fields of mechanics, fluid dynamics, optics, and astronomy. ![]() He is also known for his work in mechanics, fluid dynamics, optics, astronomy, and music theory. He also introduced much of the modern mathematical terminology and notation, particularly for mathematical analysis, such as the notion of a mathematical function. He not only made decisive and formative contributions to the subjects of geometry, calculus, mechanics, and number theory but also developed methods for solving problems in observational astronomy and demonstrated useful applications of mathematics in technology and public affairs. 1776-1783)Ĭhildren: Johann Euler, Christof Euler, Charlotte Euler, Karl Euler, Helene EulerĪ Swiss mathematician and physicist, one of the founders of pure mathematics, Leonhard Euler were born on 15 April 1707, in Basel, Switzerland to Paul III Euler, a pastor of the Reformed Church, and Marguerite née Brucker, a pastor’s daughter.
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