- William Tobin
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BornParis, France, 23 September 1819
DiedVenteuil, Marne, France, 18 September 1896
Hippolyte Fizeau was a pioneer in astrophotography and is best known for his work on the velocity of light. The eldest son of Louis Fizeau, a pathologist at the Paris Medical School, and Béatrice Fizeau, he entered his father’s school in about 1840, but dreadful migraines caused him to abandon medicine for physics. In 1853, Fizeau married Thérèse Valentine de Jussieu (daughter of the botanist Adrien de Jussieu), with whom he had four children.
Fizeau’s optical work had an impact on astronomy. While still a medical student in Paris, he improved daguerreotype contrast, sensitivity, and stability, and encouraged by François Arago in 1844/1845, he collaborated with Léon Foucault to take the first successful daguerreotypes of the Sun, which showed clear limb darkening, indicating that the solar luminous layers were gaseous. In 1848, Fizeau announced how in sound the speeds of source and observer with respect to ...
- Cornu, A. (1898). “Notice sur l’œuvre scientifique de H. Fizeau.” Annuaire pour l’an 1898 publié par le Bureau des longitudes, C1–C40. Paris: Gauthier-Villars.
- Lequeux, James (2014). Hippolyte Fizeau, physicien de la lumière. Les Ulis, EDP-Sciences.
- Fizeau, Armand-Hippolyte-Louis
- Reference Work Title
- Biographical Encyclopedia of Astronomers
- pp 725-726
- Print ISBN
- Online ISBN
- Springer New York
- Copyright Holder
- Springer Science+Business Media New York
- Additional Links
- eBook Packages
- Editor Affiliations
- 1. Department of Earth Science, University of Northern Iowa
- 2. University of California, Irvine School of Physical Sciences
- 3. Rice University
- 4. Whitman College
- 5. York Univesity
- 6. University of Wisconsin
- 7. University of Oklahoma
- 8. Harvard University
- William Tobin (633)
- Author Affiliations
- 633. University of Canterbury, Christchurch, New Zealand
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