Francesco Zantedeschi
Italian physicist (1797-1873)
Francesco Zantedeschi (August 20, 1797 – March 29, 1873) was an Italian Catholic priest and physicist.
Biography
A native of Dolcè, near Verona, Zantedeschi was for some time professor of physics and philosophy in the Liceo of Venice. Later he accepted the chair of physics in the University of Padua, which he held until 1853 being then obliged to resign on account of failing sight. He was an ardent worker and prolific writer, 325 memoirs and communications appearing under his name in the Biblioteca Italiana and the Bibliothèque universelle de Genève.
Zantedeschi died at Padua in 1873.
Scientific work
In 1829 and again in 1830, Zantedeschi published papers on the production of electric currents in closed circuits by the approach and withdrawal of a magnet, thereby anticipating Michael Faraday's classical experiments of 1831.
While carrying out researches on the solar spectrum, Zantedeschi was among the first to recognize the marked absorption by the atmosphere of red, yellow, and green light.
He also thought that he had detected, in 1838, a magnetic action on steel needles by ultraviolet light. Though this effect was not confirmed, a connection between light and magnetism was suspected so many years before the announcement in 1867 by James Clerk Maxwell of the electromagnetic theory of light.
In a tract of 16 pages, published in 1859, Zantedeschi defended the claims of Gian Domenico Romagnosi to the discovery in 1802 of the magnetic effect of the electric current, a discovery which is usually accredited to Hans Christian Ørsted in 1820.
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This entry incorporates text from “Francesco Zantedeschi” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.