Biographical files, 1863-1920.
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Janssen, Jules, 1824-1907
http://n2t.net/ark:/99166/w6r803sz (person)
Astrophysicist, member of the Académie des Sciences and the Bureau des Longitudes, founded the Physical Astronomy Observatory of Meudon, France. His work was mainly concerned with the application of spectroscopy and photography in astronomy. From the description of Biographical files, 1863-1920. (Unknown). WorldCat record id: 83103742 ...
Fizeau, H. (Hippolyte), 1819-1896
http://n2t.net/ark:/99166/w6184vz9 (person)
Armand Hippolyte Louis Fizeau was born on November 23, 1819, in Paris, France. He received his secondary school education at the Collège Stanislas with the intention of becoming a doctor. Illness forced Fizeau to discontinue classes and upon returning, he studied physics. Fizeau's early work included the improvement of the daguerreotype process. This allowed Fizeau and Léon Foucault to be the first to photograph the disk of the sun. Probably Fizeau's most significant contribution was the calcu...