## Daniel Bernouli

Here we listed out important facts about famous scientist Daniel Bernouli, with his Biography, Profile, Facts, Timeline, Awards, Achievement, etc.,

**Born:** 8 February 1700, Groningen, Netherlands

**Died:** 17 March 1782, Basel, Switzerland

**Education:** University of Basel

**Books:** Specimen Theoriae Novae de Mensura Sortis, Hydrodynamics and Hydraulics

**Nationality:** Dutch, Swiss

**Parents:** Johann Bernoulli, Dorothea Falkner

**Fields:** Mathematics, physics, medicine

**Known for:** Bernoulli’s principle, Early kinetic theory of gases, Thermodynamics

- Daniel Bernoulli was born on 8 Feb. 1700 in Groningen, Netherlands.
- He was the son of Johann Bernoulli. He was born in Groningen while his father held the chair of mathematics there. His older brother was Nicolaus (II) Bernoulli and his uncle was Jacob Bernoulli.
- He was born into a family of leading mathematicians but also into a family where there was unfortunate rivalry, jealousy and bitterness.
- Daniel was sent to Basel University at the age of 13 to study philosophy and logic.
- Daniel, like his father, really wanted to study mathematics and during the time he studied philosophy at Basel, he was learning the methods of the calculus from his father and his older brother Nicolaus (II) Bernoulli.
- Johann was determined that Daniel should become a merchant and he tried to place him in an apprenticeship.
- Johann declared that there was no money in mathematics and so he sent Daniel back to Basel University to study medicine.
- What he learned on the conservation of energy from his father he applied to his medical studies and Daniel wrote his doctoral dissertation on the mechanics of breathing.
- Daniel went to Venice to study practical medicine. In Venice Daniel was severely ill and so was unable to carry out his intention of travelling to Padua to further his medical studies.
- In Venice he worked on mathematics and his first mathematical work was published in 1724 when, with Goldbach’s assistance, Mathematical exercises was published.
- Johann Bernoulli was able to arrange for one of his best pupils, Leonard Euler, to go to St. Petersburg to work with Daniel.
- From 1728, Bernoulli and Elder dominated the mechanics of flexible and elastic bodies, in that year deriving the equilibrium curves for these bodies.
- While in St. Petersburg he made one of his most famous discoveries when he defined the simple nodes and the frequencies of oscillation of a system.
- A second important work which Daniel produced while in St. Petersburg was one on probability and political economy.
- Undoubtedly the most important work which Daniel Barnoulli did while in St. Petersburg was his work on hydrodyanamics.
- Daniel Bernoulli was not happy in St. Petersburg, despite the obvious scientific advantage of working with Euler. By 1731 he was applying for posts in Basel but probability seemed to wo1rk against him and would lose out in the ballot for the post.
- Daniel Bernoulli submitted an entry for the Grand Prize of the Paris Academy for 1734 giving an application of his ideas to astronomy. This had unfortunate consequences since Daniel’s father, Johann Bernoulli, also entered for the prize and their entries were declared joint winners of the Grand Prize.
- Daniel continued to work on polishing his masterpiece Hydrodynamica for publication and added a chapter on the force of reaction of a jet of fluid and the force of a jet of water on an inclined plane.
- In 1750, however, he was appointed to the chair of physics and taught physics at Basel for 26 years until 1776.
- Daniel Bernoulli did produce other excellent scientific work during these many years back in Basel. In total he won the Grand Prize of the Paris Academy 10 times, for topics in astronomy and nautical topics.
- He won in 1740 (jointly with Euler) for work on Newton’s theory of the tides; in 1743 and 1746 for essays on magnetism.
- In 1747 for a method to determine time at sea; in 1751 for an essay on ocean currents; in 1753 for the effects of forces on ships; in 1757 for proposals to reduce the pitching and tossing of a ship in high seas.
- Another important aspect of Daniel Bernoulli’s work that proved important in the development of mathematical physics was his acceptance of many of Newton’s methods.
- He also continued to produce good work on the theory of oscillations and in a paper he gave a beautiful account of the oscillation of air in organ pipes.
- Nevertheless he assured himself a permanent place in the history of science through his work and discoveries in hydrodynamics, his anticipation of the kinetic theory of gases, a novel method for calculating the value of an increase in assets, and the demonstration that the most common movement of a string in a musical instrument is composed of the superposition of an infinite number of harmonic vibrations…..
- Daniel Bernoulli was much honoured in his own lifetime. He was elected to most of the leading scientific societies of his day including those in Bologne, St. Petersburg, Berlin, Paris, London, Bern, I Turin, Zurich and Mannheim.
- Daniel Bernoulli died on 17 March, 1782 in Basel, Switzerland.

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