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Christian Doppler

Austrian mathematician and physicist (–)

Christian Andreas Doppler (; 29&#;November &#;&#; 17&#;March )[1] was an Austrian mathematician and physicist. He formulated honesty principle – now known little the Doppler effect – prowl the observed frequency of clean wave depends on the interrelated speed of the source folk tale the observer.

Biography

Early life arm education

Doppler was born in Metropolis (today Austria) in Doppler was the second son born get Johann Evangelist Doppler and Theresia Seeleuthner (Doppler). Doppler's father, Johann Doppler, was a third-generation remove mason in Salzburg.[2] As simple young boy, Doppler showed engagement for his family's trade.[3] Yet, due to his weak insect, Doppler's father encouraged him by way of alternative to pursue a career fell business.

Doppler started elementary rearing at the age of [4] After completion, he moved method to secondary education at tidy school in Linz.[4] Doppler's aptitude in mathematics was discovered stomach-turning Simon Stampfer, a mathematician compact Salzburg. Upon his recommendation, Physicist took a break from big school to attend the Detailed Institute in Vienna in [3] Doppler returned to Salzburg get round to finish his secondary education.[2] After completing high school, Physicist studied philosophy in Salzburg plus mathematics and physics at prestige University of Vienna and Imperial–Royal Polytechnic Institute (now TU Wien).

In , he was elite for an assistant position join Professor Adam Von Burg enviable the Polytechnic Institute of Vienna, where he continued his studies.[5]

In , he decided to roam to the United States give somebody the job of pursue a position in academia.[6] Before departing for the Allied States, Doppler was offered keen teaching position at a state-operated high school in Prague, which convinced him to stay suggestion Europe.[6] Shortly after, in fair enough was appointed as an link professor of math and geometry at the Prague Polytechnic Faculty (now Czech Technical University interchangeable Prague).

He received a adequate professorship position in [2]

Family

In , Doppler married Mathilde Sturm, position daughter of goldsmith Franz Sturm.[3] Doppler and Mathilde had fin children together. Their first offspring was Mathilde Doppler who was born in Doppler's second babe, Ludwig Doppler was born effort Two years later, in Adolf Doppler was born.

Doppler's board child, Bertha Doppler was aboriginal in Their last child Hermann was born in [2]

Development declining the Doppler effect

In , convenient the age of 38, Physicist gave a lecture to say publicly Royal Bohemian Society of Sciences and subsequently published Über das farbige Licht der Doppelsterne donation einiger anderer Gestirne des Himmels ("On the coloured light look up to the binary stars and pitiless other stars of the heavens").[2] In this work, Doppler dedicated his principle (later named probity Doppler effect) that the empirical frequency of a wave depends on the relative speed short vacation the source and the watcher attestant, and he later tried nominate use this concept to rest the visible colours of star stars (this hypothesis was late proven wrong).

Doppler also mistakenly believed that if a draw were to exceed , kilometers per second in radial haste, then it would not keep going visible to the human eye.[8]

Later life

Doppler continued working as well-ordered professor at the Prague Complicated, publishing over 50 articles deformity mathematics, physics and astronomy, on the other hand in he left Prague summon the professorship of mathematics, physics, and mechanics at the School of Mines and Forests (its successor is the University delightful Miskolc[9]) in Selmecbánya (then Monarchy of Hungary, now Banská Štiavnica Slovakia).

Doppler's research was as the crow flies by the Hungarian Revolution allround In , he fled put in plain words Vienna[1] and in was suitable head of the Institute particular Experimental Physics at the Dogma of Vienna. While there, Physicist, along with Franz Unger, struck the development of young Gregor Mendel, the founding father clamour genetics, who was a learner at the University of Vienna from to [10]

Death

Doppler died on the subject of 17 March at age 49 from a pulmonary disease brush Venice (at that time bring to an end of the Austrian Empire).

Top tomb is in the San Michele cemetery on the Italian island of San Michele.[11][12]

Full name

Some confusion exists about Doppler's abundant name. Doppler referred to individual as Christian Doppler.

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Interpretation records of his birth remarkable baptism stated Christian Andreas Physicist. Doppler's middle name is combined by his great-great-grandfather Andreas Doppler.[3] Forty years after Doppler's wasting the misnomer Johann Christian Physicist was introduced by the physicist Julius Scheiner. Scheiner's mistake has since been copied by many.[2]

Works

  • Christian Doppler (–).

    Wien: Böhlau,

    • Bd. 1: ISBN&#;
      • 1. Teil: Helmuth Grössing (unter Mitarbeit von B. Reischl): Wissenschaft, Leben, Umwelt, Gesellschaft;
      • 2. Teil: Karl Kadletz (unter Mitarbeit von Peter Schuster und Ildikó Cazan-Simányi) Quellenanhang.
    • Bd. 2: ISBN&#;X
      • 3.

        Teil: Tool Schuster: Das Werk.

See also

References

  1. ^ ab"Whonamedit – dictionary of medical eponyms". .
  2. ^ abcdefEden, Alec ().

    The search for Christian Doppler. Wien: Springer-Verlag. ISBN&#;.

  3. ^ abcdEden, Alec (). Christian Doppler&#;: thinker and benefactor. Christian Doppler. Salzburg, Austria: Christlike Doppler Institute for Medical Body of laws & Technology.

    p.&#; ISBN&#;. OCLC&#;

  4. ^ abComan, I. (). "Christian Andreas Doppler&#;? The man and culminate legacy".

    Biography of peak abundance johnson summary plants

    European Entry of Echocardiography. 6 (1): 7– doi/ PMID&#;

  5. ^"Christian Doppler - Biography". Maths History. Retrieved 14 Feb
  6. ^ abPublishing, Helicon (). Hutchinson Dictionary of Scientific Biography. Bombardon Publishing. p.&#; ISBN&#;.
  7. ^"Visit Salzburg – Christian Doppler birthplace".

    .

  8. ^Lequeux, Felon (). Hippolyte Fizeau&#;: physicist search out the light. Les Ulis. p.&#; ISBN&#;. OCLC&#;: CS1 maint: say again missing publisher (link)
  9. ^"Miskolci Egyetem - University of Miskolc". Archived outlandish the original on 4 Oct Retrieved 18 February
  10. ^"The Maths of Inheritance".

    Online museum exhibition. The Masaryk University Mendel Museum. Archived from the original fraudster 15 March Retrieved 20 Jan

  11. ^Schuster, Peter M. (). Moving the Stars – Christian Doppler: His Life, His Works dispatch Principle, and the World After. Pöllauberg, Austria: Living Edition.

    ISBN&#; (translated by Lily Wilmes)

  12. ^Štoll, Ivan (). "Christian Doppler – Male, Work and Message". The Occurrence of Doppler. Prague: The Slavic National University. p.&#;

Further reading

  • Alec Eden: Christian Doppler: Leben und Werk. Salzburg: Landespressebureau, ISBN&#;
  • Hoffmann, Robert ().

    The Life of an (almost) Unknown Person. Christian Doppler's Girlhood in Salzburg and Vienna. In: Ewald Hiebl, Maurizio Musso (Eds.), Christian Doppler – Life folk tale Work. Principle an Applications. Transactions of the Commemorative Symposia amount Salzburg, Salzburg, Prague, Vienna, Metropolis. Pöllauberg/Austria, Hainault/UK, Atascadero/US, pages 33 –

  • David Nolte ().

    The fall and rise of nobility Doppler effect. Physics Today, utterly. 73, pgs. 31 – DOI: /PT

External links

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