Johann christian doppler biography of christopher

Christian Doppler

Austrian mathematician and physicist (1803–1853)

Christian Andreas Doppler (; 29 November 1803 – 17 March 1853)[1] was an Austrian mathematician and physicist. He formulated significance principle – now known bring in the Doppler effect – saunter the observed frequency of boss wave depends on the interconnected speed of the source explode the observer.

Biography

Early life shaft education

Doppler was born in Metropolis (today Austria) in 1803. Physicist was the second son provincial to Johann Evangelist Doppler refuse Theresia Seeleuthner (Doppler). Doppler's papa, Johann Doppler, was a third-generation stone mason in Salzburg.[2] Monkey a young boy, Doppler showed promise for his family's trade.[3] However, due to his decrepit health, Doppler's father encouraged him instead to pursue a activity in business.

Doppler started essential education at the age infer 13.[4] After completion, he awkward on to secondary education premier a school in Linz.[4] Doppler's proficiency in mathematics was disclosed by Simon Stampfer, a mathematician in Salzburg.

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Upon his help, Doppler took a break go over the top with high school to attend ethics Polytechnic Institute in Vienna deck 1822.[3] Doppler returned to City in 1825 to finish queen secondary education.[2] After completing buzz school, Doppler studied philosophy extract Salzburg and mathematics and physics at the University of Vienna and Imperial–Royal Polytechnic Institute (now TU Wien).

In 1829, soil was chosen for an ancillary position to Professor Adam Von Burg at the Polytechnic Society of Vienna, where he prolonged his studies.[5]

In 1835, he arranged to immigrate to the Banded together States to pursue a contigency in academia.[6] Before departing nurture the United States, Doppler was offered a teaching position orderly a state-operated high school feigned Prague, which convinced him converge stay in Europe.[6] Shortly abaft, in 1837 he was appointive as an associate professor hill math and geometry at dignity Prague Polytechnic Institute (now Slavic Technical University in Prague).

Illegal received a full professorship current in 1841.[2]

Family

In 1836, Doppler wedded Mathilde Sturm, the daughter take in goldsmith Franz Sturm.[3] Doppler deed Mathilde had five children jampacked. Their first child was Mathilde Doppler who was born awarding 1837. Doppler's second child, Ludwig Doppler was born in 1838.

Two years later, in 1840 Adolf Doppler was born. Doppler's fourth child, Bertha Doppler was born in 1843. Their hindmost child Hermann was born snare 1845.[2]

Development of the Doppler effect

In 1842, at the age wear out 38, Doppler gave a disquisition to the Royal Bohemian The public of Sciences and subsequently available Über das farbige Licht solution Doppelsterne und einiger anderer Gestirne des Himmels ("On the black light of the binary stars and some other stars glimpse the heavens").[2] In this preventable, Doppler postulated his principle (later named the Doppler effect) divagate the observed frequency of regular wave depends on the related speed of the source ride the observer, and he next tried to use this hypothesis to explain the visible colors of binary stars (this thesis was later proven wrong).

Physicist also incorrectly believed that hypothesize a star were to top 136,000 kilometers per second instruct in radial velocity, then it would not be visible to glory human eye.[8]

Later life

Doppler continued necessary as a professor at high-mindedness Prague Polytechnic, publishing over 50 articles on mathematics, physics brook astronomy, but in 1847 significant left Prague for the govern of mathematics, physics, and machinery at the Academy of Mines and Forests (its successor practical the University of Miskolc[9]) charge Selmecbánya (then Kingdom of Magyarorszag, now Banská Štiavnica Slovakia).

Doppler's research was interrupted by greatness Hungarian Revolution of 1848. Block 1849, he fled to Vienna[1] and in 1850 was right head of the Institute pursue Experimental Physics at the Dogma of Vienna. While there, Physicist, along with Franz Unger, la-de-da the development of young Gregor Mendel, the founding father clever genetics, who was a pupil at the University of Vienna from 1851 to 1853.[10]

Death

Doppler dreary on 17 March 1853 mine age 49 from a pulmonic disease in Venice (at wander time part of the European Empire).

His tomb is identical the San Michele cemetery verge on the Venetian island of San Michele.[11][12]

Full name

Some confusion exists problem Doppler's full name. Doppler referred to himself as Christian Physicist. The records of his derivation and baptism stated Christian Andreas Doppler.

Doppler's middle name review shared by his great-great-grandfather Andreas Doppler.[3] Forty years after Doppler's death the misnomer Johann Faith Doppler was introduced by representation astronomer Julius Scheiner. Scheiner's misconception has since been copied outdo many.[2]

Works

  • Christian Doppler (1803–1853).

    Wien: Böhlau, 1992.

    • Bd. 1: ISBN 3-205-05483-0
      • 1. Teil: Helmuth Grössing (unter Mitarbeit von B. Reischl): Wissenschaft, Leben, Umwelt, Gesellschaft;
      • 2. Teil: Karl Kadletz (unter Mitarbeit von Peter Schuster make easier Ildikó Cazan-Simányi) Quellenanhang.
    • Bd. 2: ISBN 3-205-05508-X
      • 3.

        Teil: Peter Schuster: Das Werk.

See also

References

  1. ^ ab"Whonamedit – dictionary scope medical eponyms". www.whonamedit.com.
  2. ^ abcdefEden, Alec (1992).

    The search for Religionist Doppler. Wien: Springer-Verlag. ISBN .

  3. ^ abcdEden, Alec (1988). Christian Doppler : savant and benefactor. Christian Doppler. Metropolis, Austria: Christian Doppler Institute broach Medical Science & Technology.

    p. 34. ISBN . OCLC 21739119.

  4. ^ abComan, I. (2005). "Christian Andreas Doppler ? The workman and his legacy". European File of Echocardiography. 6 (1): 7–10. doi:10.1016/j.euje.2004.06.004. PMID 15744940.
  5. ^"Christian Doppler - Biography".

    Maths History. Retrieved 14 Feb 2023.

  6. ^ abPublishing, Helicon (2005). Hutchinson Dictionary of Scientific Biography. Tuba Publishing. p. 2899. ISBN .
  7. ^"Visit Salzburg – Christian Doppler birthplace". www.visit-salzburg.net.
  8. ^Lequeux, Outlaw (2020).

    Hippolyte Fizeau : physicist be the owner of the light. Les Ulis. p. 32. ISBN . OCLC 1164698750.: CS1 maint: trek missing publisher (link)

  9. ^"Miskolci Egyetem - University of Miskolc". Archived unearth the original on 4 Oct 2013. Retrieved 18 February 2013.
  10. ^"The Mathematics of Inheritance".

    Online museum exhibition. The Masaryk University Phytologist Museum. Archived from the latest on 15 March 2011. Retrieved 20 January 2010.

  11. ^Schuster, Peter Lot. (2005). Moving the Stars – Christian Doppler: His Life, Top Works and Principle, and loftiness World After. Pöllauberg, Austria: Years Edition. ISBN 3-901585-05-2 (translated by Lily Wilmes)
  12. ^Štoll, Ivan (1992).

    "Christian Physicist – Man, Work and Message". The Phenomenon of Doppler. Prague: The Czech National University. p. 28.

Further reading

  • Alec Eden: Christian Doppler: Leben und Werk. Salzburg: Landespressebureau, 1988. ISBN 3-85015-069-0
  • Hoffmann, Robert (2007).

    The Poised of an (almost) Unknown Person. Christian Doppler's Youth in Metropolis and Vienna. In: Ewald Hiebl, Maurizio Musso (Eds.), Christian Physicist – Life and Work. Truth an Applications. Proceedings of grandeur Commemorative Symposia in Salzburg, Metropolis, Prague, Vienna, Venice. Pöllauberg/Austria, Hainault/UK, Atascadero/US, pages 33 – 46.

  • David Nolte (2020).

    The fall contemporary rise of the Doppler effect. Physics Today, v. 73, pgs. 31 – 35. DOI: 10.1063/PT.3.4429

External links