Petersburg Academy of Sciences in Russia, where they were professors of mathematics. When the Bernoullis learned that Euler was seeking employment, they obtained a position for him at the newly established St. He had applied at the age of nineteen for a post at the University of Basel but was rejected, probably because of his youth. Leonhard Euler’s friendship with Johann Bernoulli’s sons, Nikolaus and Daniel, was instrumental in shaping Euler’s career. Leonhard, in turn, was a fervent Calvinist all his life. Paul Euler reluctantly abandoned his ambitions for his son, and was thereafter supportive of Leonhard’s decision to pursue a career in mathematics. Fortunately, Bernoulli was able to convince the elder Euler of Leonhard’s mathematical genius. Leonhard dutifully studied theology at the University of Basel and at the age of sixteen was awarded a master’s degree however, at the same time, he was tutored in mathematics by Johann Bernoulli, the brother of his father’s teacher. Leonhard knew while he was still very young that he wanted to be a mathematician, but his father, a Calvinist priest, had planned for Leonhard to succeed him as pastor of his parish. Of a circle to its diameter i to symbolize the square root of -1 and e to denote the baseĮuler was profoundly influenced by his father, Paul, who had studied under the noted Swiss mathematician Jakob Bernoulli. Respectively, the sides and angles of a triangle π to express the ratio of the circumference The use of f(x) to indicate a function of x a, b, and c and A, B, and C to designate, No other mathematician has had more influence than Euler on modern notation. These achievements are even more remarkable considering that, for much of his life, Euler was blind. His work in applied mathematics generated important contributions to optics, mechanics, navigation, astronomy, acoustics, statistics, and finance. There is virtually no branch of mathematics unaffected by his genius in more than 900 books and papers, Euler conveyed his discoveries in geometry, calculus, probability, number theory, and algebra. Born in Basel, Switzerland in 1707, Euler is considered the greatest mathematician and theoretical physicist of the eighteenth century, and a leading mathematical universalist.
Leonhard Euler was an astonishingly gifted and prolific mathematician.
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