Daniel Bernoulli was born on February 08, 1700 in Groningen, Swiss, is Mathematician. Daniel Bernoulli was a Swiss mathematician and physicist who did pioneering work in the field of fluid dynamics and kinetic theory of gases. He investigated not only mathematics and physics but also achieved considerable success in exploring other fields such as medicine, physiology, mechanics, astronomy, and oceanography. Born in a distinguished family of mathematicians, he was encouraged by his father to pursue a business career. After obtaining his Master of Arts degree, he studied medicine and was also privately tutored in mathematics by his father. Subsequently, he made a name for himself and was called to St. Petersburg, where he spent several fruitful years teaching mathematics. During this time, he wrote important texts on the theory of mechanics, including a first version of his famous treatise on hydrodynamics. Later, he served as a professor of anatomy and botany in Basel before being appointed to the chair of physics. There he taught physics for the next 26 years and also produced several other excellent scientific works during his term. In one of his most remarkable works ‘Hydrodynamica’ which was a milestone in the theory of the flowing behavior of liquids, he developed the theory of watermills, windmills, water pumps and water propellers. But, undoubtedly, his most significant contribution to sciences would be the ‘Bernoulli Theorem’ which still remains the general principle of hydrodynamics and aerodynamics, and forms the basis of modern aviation

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Who is it? | Mathematician |

Birth Day | February 08, 1700 |

Birth Place | Groningen, Swiss |

Age | 319 YEARS OLD |

Died On | 17 March 1782 (aged 82)\nBasel, Republic of the Swiss |

Birth Sign | Pisces |

Alma mater | University of Basel (M.D., 1721) Heidelberg University University of Strasbourg |

Known for | Bernoulli's principle Early kinetic theory of gases Thermodynamics |

Fields | Mathematics, physics, medicine |

Thesis | "Dissertatio physico-medica de respiratione" (Dissertation on the medical physics of respiration) (1721) |

1721

Around schooling age, his father, Johann, encouraged him to study Business, there being poor rewards awaiting a Mathematician. However, Daniel refused, because he wanted to study mathematics. He later gave in to his father's wish and studied Business. His father then asked him to study in Medicine, and Daniel agreed under the condition that his father would teach him mathematics privately, which they continued for some time. Daniel studied Medicine at Basel, Heidelberg, and Strasbourg, and earned a PhD in anatomy and botany in 1721.

1724

His earliest mathematical work was the *Exercitationes* (*Mathematical Exercises*), published in 1724 with the help of Goldbach. Two years later he pointed out for the first time the frequent desirability of resolving a compound motion into motions of translation and motion of rotation. His chief work is *Hydrodynamica*, published in 1738; it resembles Joseph Louis Lagrange's *Mécanique Analytique* in being arranged so that all the results are consequences of a single principle, namely, conservation of Energy. This was followed by a memoir on the theory of the tides, to which, conjointly with the memoirs by Euler and Colin Maclaurin, a prize was awarded by the French Academy: these three memoirs contain all that was done on this subject between the publication of Isaac Newton's *Philosophiae Naturalis Principia Mathematica* and the investigations of Pierre-Simon Laplace. Bernoulli also wrote a large number of papers on various mechanical questions, especially on problems connected with vibrating strings, and the solutions given by Brook Taylor and by Jean le Rond d'Alembert.

1738

In *Hydrodynamica (1738)* he laid the basis for the kinetic theory of gases, and applied the idea to explain Boyle's law.

1750

In May, 1750 he was elected a Fellow of the Royal Society.

1753

According to Léon Brillouin, the principle of superposition was first stated by Daniel Bernoulli in 1753: "The general motion of a vibrating system is given by a superposition of its proper vibrations."

1766

One of the earliest attempts to analyze a statistical Problem involving censored data was Bernoulli's 1766 analysis of smallpox morbidity and mortality data to demonstrate the efficacy of vaccination.

1896

Soon Physicians all over Europe were measuring patients' blood pressure by sticking point-ended glass tubes directly into their arteries. It was not until about 170 years later, in 1896 that an Italian Doctor discovered a less painful method which is still in use today. However, Bernoulli's method of measuring pressure is still used today in modern aircraft to measure the speed of the air passing the plane; that is its air speed.

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