Surf Wiki
Save to docs
general/si-units

From Surf Wiki (app.surf) — the open knowledge base

List of scientists whose names are used as units

none

Summary

none

Many scientists have been recognized with the assignment of their names as international units by the International Committee for Weights and Measures or as non-SI units. The International System of Units (abbreviated SI from ) is the most widely used system of units of measurement. There are 7 base units and 22 derived units (excluding compound units). These units are used both in science and in commerce. Two of the base SI units and 17 of the derived units are named after scientists. 28 non-SI units are named after scientists. By this convention, their names are immortalised. As a rule, the SI units are written in lowercase letters, but symbols of units derived from the name of a person begin with a capital letter.

Scientists and SI units

Base unitThere are 5 base units that are not named after people: kilogram, metre, second, mole and candela.Derived unit

(colour legend)

NameAsimov's Biographical EncyclopediaLifeNationalityQuantitySI unitImage
André-Marie Ampère1775–1836France FrenchElectric currentampere (A)
(Base unit)[[File:Ampere Andre 1825.jpg70px]]
William Thomson, 1st Baron Kelvin1824–1907Britain British (Scotland Scottish, Northern Ireland Northern Irish)Thermodynamic temperaturekelvin (K)
(Base unit)[[File:Baron Kelvin 1906.jpg70px]]
Blaise Pascal1623–1662France FrenchPressurepascal (Pa)[[File:Blaise Pascal Versailles.JPG70px]]
Isaac Newton1643–1727Britain British (England English)Forcenewton (N)[[File:Sir Isaac Newton by Sir Godfrey Kneller, Bt.jpg70px]]
Anders Celsius1701–1744Sweden SwedishTemperaturedegree Celsius (°C)
[[File:Headshot of Anders Celsius.jpg70px]]
Charles-Augustin de Coulomb1736–1806France FrenchElectric chargecoulomb (C)[[File:Charles de Coulomb.png70px]]
James Watt1736–1819Britain British (Scotland Scottish)Powerwatt (W)[[File:Watt James von Breda.jpg70px]]
Alessandro Volta1745–1827Italy ItalianElectric potentialvolt (V)[[File:Alessandro Volta.jpeg70px]]
Georg Simon Ohm1789–1855Germany GermanElectrical resistanceohm (Ω)[[File:Georg Simon Ohm3.jpg70px]]
Michael Faraday1791–1867Britain British (England English)Capacitancefarad (F)[[File:M Faraday Th Phillips oil 1842.jpg70px]]
Joseph Henry1797–1878USA AmericanInductancehenry (H)[[File:1870s Joseph Henry (1797-1878) American physicist, inventor and first secretary of the Smithsonian Institution (cropped).jpg93x93px]]
Wilhelm Eduard Weber1804–1891Germany GermanMagnetic fluxweber (Wb)[[File:Wilhelm Eduard Weber II.jpg70px]]
Ernst Werner von Siemens1816–1892Germany GermanConductancesiemens (S)[[File:Ernst Werner von Siemens.jpg70px]]
James Prescott Joule1818–1889Britain British (England English)Energyjoule (J)[[File:Joule James Jeens engraving.jpg70px]]
Antoine Henri Becquerel1852–1908France FrenchRadioactivitybecquerel (Bq)[[File:Becquerel Henri photograph.jpg70px]]
Nikola Tesla1856–1943Serbia SerbianThe village he was born was a part of Austrian Empire, now it is in Croatia.-USAAmericanMagnetic flux densitytesla (T)[[File:Tesla3.jpg70px]]
Heinrich Rudolf Hertz1857–1894Germany GermanFrequencyhertz (Hz)[[File:Heinrich Rudolf Hertz.jpg70px]]
Rolf Maximilian Sievert1896–1966Sweden SwedishDose equivalent of radiationsievert (Sv)[[File:Rolf Sievert 1896-1966.jpg70px]]
Louis Harold Gray1905–1965Britain British (England English)Absorbed dose of radiationgray (Gy)

Scientists and non-SI units

Name of the scientistLifeNationalityQuantityUnitAs a rule, the units are written in lowercase letters. But, symbols of units derived from a personal name always begin with a capital letter.Image
William Gilbert1544–1603Britain British (England English)Magnetomotive forcegilbert (Gi)[[File:William Gilbert 45626i.jpg70px]]
John Napier1550–1617Britain British (Scotland Scottish)Magnitude (ln, dimensionless)neper (Np)[[File:John_Napier.jpg70px]]
Galileo Galilei1564–1642Italy ItalianAccelerationgal (Gal)[[File:Justus Sustermans - Portrait of Galileo Galilei, 1636.jpg70px]]
Evangelista Torricelli1608–1647Italy ItalianPressuretorr (Torr)[[File:Libr0367.jpg70px]]
René Réaumur1683–1757France FrenchTemperaturedegree Reaumur (°R)[[File:Rene reaumur.jpg70px]]
Daniel Gabriel Fahrenheit1686–1736Poland Polish, Netherlands Dutch, Germany GermanTemperaturedegree Fahrenheit (°F)[[File:Fahrenheit small.jpg70px]]
Johann Heinrich Lambert1728–1777Germany GermanLuminancelambert (L)[[File:JHLambert.jpg70px]]
John Dalton1766–1844Britain BritishMass (atomic)dalton (Da)[[File:John Dalton by Charles Turner.jpg70px]]
Hans Christian Ørsted1777–1851Denmark DanishMagnetic fieldoersted (Oe)[[File:Hans Christian Ørsted daguerreotype.jpg70px]]
Johann Carl Friedrich Gauss1777–1855Germany GermanMagnetic flux densitygauss (G)[[File:Carl Friedrich Gauss.jpg70px]]
Michael Faraday1791–1867Britain British (England English)Electric chargefaraday (F)[[File:Michael Faraday 001.jpg70px]]
Jean Léonard Marie Poiseuille1797–1869France FrenchDynamic viscositypoise (P)[[File:Poiseuille.jpg70px]]
Anders Jonas Ångström1814–1874Sweden SwedishLengthangstrom (Å)[[File:Anders Jonas Ångström - 001.png70px]]
Sir George Stokes, 1st Baronet1818–1903Britain BritishKinematic viscositystokes (St)[[File:Ggstokes.jpg70px]]
William John Macquorn Rankine1820–1872Britain British (Scotland Scottish)Thermodynamic temperaturedegree Rankine (°Ra )[[File:Rankine William signature.jpg70px]]
James Clerk Maxwell1831–1879Britain British (Scotland Scottish)Magnetic fluxmaxwell (Mx)[[File:James Clerk Maxwell big.jpg70px]]
Samuel Pierpont Langley1834–1906USA AmericanEnergy intensitylangley (Ly)[[File:Samuel Pierpont Langley.jpg70px]]
Ernst Mach1838–1916Austria AustrianSpeedMach number (M)[[File:Ernst Mach 01.jpg70px]]
John Strutt, 3rd Baron Rayleigh1842–1919Britain BritishAcoustic impedancerayl[[File:John William Strutt.jpg70px]]
Wilhelm Röntgen1845–1923Germany GermanIonizing radiationröntgen (R)[[File:Wilhelm Conrad Röntgen (1888-1900), 88374 p.jpg70px]]
Alexander Graham Bell1847–1922Britain British (Scotland Scottish), US AmericanMagnitude (log10, dimensionless)bel (B)[[File:Alexander Graham Bell.jpg70px]]
Loránd Eötvös1848–1919Hungary HungarianGravitational gradienteotvos (E)[[File:Eötvös Loránd (Székely Aladár felvétele, 1912).jpg70px]]
Heinrich Kayser1853–1940Germany GermanWavenumberkayser[[File:Heinrich Kayser.jpg70px]]
Joseph John Thomson1856–1940Britain British (England English)Mass-to-charge ratiothomson (Th)[[File:J.J Thomson.jpg70px]]
Marie Curie1867–1934Poland Polish, France FrenchRadioactivitycurie (Ci)[[File:Marie Curie c. 1920s.jpg70px]] [[File:Pierre Curie by Dujardin c1906.jpg70px]]
Heinrich Mache1876–1954Austria AustrianRadioactivityMache (ME)[[File:Mache-Heinrich-(1876-1954)a.jpg70px]]
Peter Debye1884–1966Netherlands DutchElectric dipole momentdebye (D)[[File:Debije-boerhaave.jpg70px]]
Karl Guthe Jansky1905–1950USA AmericanSpectral irradiancejansky (JY)[[File:Karl Jansky.jpg70px]]
Wallace Clement Sabine1868–1919USA AmericanSound absorptionsabin[[File:Wallace Clement Sabine (circa 1922).png70px]]

References

Bibliography

  • {{cite web |url= http://encyclopedia2.thefreedictionary.com/Ohm+(unit)
  • {{cite web |url= http://www.phy.hr/~dpaar/fizicari/xfaraday.html
  • {{cite web |url= http://www.teslasociety.com/biography.htm |title=Tesla's Biography| author=Dr.Ljubo Vujović|publisher=Tesla Memorial Society of New York|access-date=3 May 2011}}
  • {{cite web |url= http://www.teslasociety.com/teslaunit.htm|title=Tesla Unit| publisher=Tesla Memorial Society of New York|access-date=3 May 2011}}
  • {{cite web |url= http://ptolemy.eecs.berkeley.edu/eecs20/sidebars/hertz/|title=Hertz

References

  1. [http://physics.nist.gov/cuu/Units/units.html Essential of the SI]
  2. [http://www.gordonengland.co.uk/conversion/siderived1.htm Derived SI units with special names]
  3. Elektrik Mühendisliği pp. 247–275
  4. Young and Freedman, p. A-1
  5. [https://web.archive.org/web/20040708161032/http://www.wordiq.com/definition/Andre_Marie_Ampere. Andre Marie Ampere]
  6. [http://dictionary.reference.com/browse/ampere. Define Ampere on Dictionary]
  7. [http://scienceworld.wolfram.com/biography/Kelvin.html Kelvin, Lord William Thomson]
  8. [https://archive.today/20120710153511/http://inventors.about.com/od/kstartinventions/a/Lord_Kelvin.htm Inventors]
  9. [http://www.thocp.net/biographies/pascal_blaise.html Blaise Pascal]
  10. [http://www.sensorsone.co.uk/pressure-measurement-glossary/pa-pascal-pressure-unit.html Pa Pascal pressure unit]
  11. [http://www.newton.ac.uk/newtlife.html Isaac Newton's life]
  12. [http://www.sizes.com/units/newton.htm Newton]
  13. [http://www.astro.uu.se/history/Celsius_eng.html Anders Celsius (1701–1744)]
  14. [http://www.wordiq.com/definition/Celcius Celsius Definition]
  15. [http://www.britannica.com/EBchecked/topic/140071/Charles-Augustin-de-Coulomb Charles Augustin de Coulomb (French Physicist)]
  16. [http://www.britannica.com/EBchecked/topic/140066/coulomb Coulomb]
  17. [https://www.bbc.co.uk/history/historic_figures/watt_james.shtml BBC Historic figures]
  18. [http://www.unitconversion.org/power/watt-conversion.html Watt conversion)]
  19. [http://www.ideafinder.com/history/inventors/volta.htm Inventor Alessandro Volta Biography]
  20. [http://www.sizes.com/units/volt.htm Volt]
  21. "Georg Simon Ohm". St. Andrews University.
  22. [http://encyclopedia2.thefreedictionary.com/Ohm+(unit) Ohm (unit)]
  23. [http://www.phy.hr/~dpaar/fizicari/xfaraday.html Michael Faraday]
  24. [http://www.efunda.com/glossary/units/units--electric_capacitance--farad.cfm Farad]
  25. [http://www.nas.edu/history/members/henry.html Joseph Henry] {{webarchive. link. (9 December 2006)
  26. [http://www.answers.com/topic/Henry Henry: Definition from Answers]
  27. [[s:The New International Encyclopædia/Weber, Wilhelm. The New International Encyclopaedia: Weber]]
  28. [http://www.wordiq.com/definition/Weber_(unit) Weber (unit)]
  29. [http://www.uv.es/EBRIT/micro/micro_546_34.html Siemens, Werner von]
  30. [http://medbib.com/Mho Siemens (unit)]
  31. "Biography:James Prescott Joule".
  32. [http://www.experts123.com/q/what-is-a-joule.html What is a Joule ?]
  33. [http://nobelprize.org/nobel_prizes/physics/laureates/1903/becquerel-bio.html Henri Becquerel]
  34. [http://www.teslasociety.com/biography.htm Tesla's Biography]
  35. [http://www.teslasociety.com/teslaunit.htm Tesla (unit)]
  36. [http://www.biographicon.com/view/rcnuk Heinrich Hertz]
  37. [http://ptolemy.eecs.berkeley.edu/eecs20/sidebars/hertz/ Hertz]
  38. [http://ki.se/ki/jsp/polopoly.jsp?d=9498&a=18510&l=en Rolf Sievert, the man and the unit]
  39. [http://www.lhgraytrust.org/lhgraybiography.html About L.G.Gray]
  40. [http://www.sizes.com/units/gray.htm Gray]
  41. Isaac Asimov: ''Asimov's Biographical Encyclopedia of Science and Technology'' Pan Reference Books, London, 1972, {{ISBN. 0-330-24323-3
  42. ''Elektrik Mühendisliği'', TBMMO Yayın organı, 259–260, Ankara, 1978
Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

si-units science-related-lists
Want to explore this topic further?

Ask Mako anything about List of scientists whose names are used as units — get instant answers, deeper analysis, and related topics.

Research with Mako

Free with your Surf account

Content sourced from Wikipedia, available under CC BY-SA 4.0.

This content may have been generated or modified by AI. CloudSurf Software LLC is not responsible for the accuracy, completeness, or reliability of AI-generated content. Always verify important information from primary sources.

Report