Abstract
“La nature ne livre ses secrets qu’à ceux qui ne reculent devant aucun effort pour les lui arracher.”
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Notes
- 1.
Trimmings of gold or silver lace, braid, beads, etc., for clothing and other objects.
- 2.
This is Janssen’s great friend, the painter Jean-Jacques Henner (1829–1905).
- 3.
The baccalaureate (Fr. “baccalauréat”) is the required qualification for university entrance.
- 4.
The licentiate is a degree awarded by certain European universities, intermediate between those of bachelor and master (or doctor).
- 5.
A well-known French dramatist (1815–1888), particularly noted for his comic farces and vaudeville pieces.
- 6.
This is what we would now call the near infrared.
- 7.
This is the subject of the thesis that he was to defend.
- 8.
The journal in question is Le Moniteur scientifique. Here, as subsequently, any passages that are underlined are as they appeared in the original quotations.
- 9.
Number 21 later became number 33.
References
Janssen, Jules, “Note sur l’éclipse du 19 août dernier”, Comptes rendus hebdomadaires des séances de l’Académie des sciences (CRAS), 105 (22 August 1887), 365–6.
From Jules Janssen’s birth certificate, Paris archives.
Parish register of the Roman catholic church of Saint-Roch.
Letter from Henriette to Jules Janssen, 13 February 1869, Bibliothèque de l’Institut de France (BIF) Ms 4134-265.
Janssen, Jules, “Conférence sur la photographie faite à l’issue du congrès international de photographie, le 17 août 1889”, in Œuvres scientifiques, vol. II, 153–66, p. 159.
Fétis, François-Joseph, Biographie universelle des musiciens, Paris 1874, Tome 4, p. 426.
Francœur, Louis Benjamin, Bulletin de la Société d’encouragement, 21 (1822), 40–5.
Mme Henri Beau, “Jules Janssen”, in Enfance des célébrités contemporaines, Paris, Revue L’Enfant, 1913, 23–9, p.23.
Lance, Adolphe, Dictionnaire des architectes français, Paris, 1872, Tome 2, p. 54.
Personal communication from Jean-Pierre de Beaumarchais to the author, 1996.
From the register of deaths, Paris archives.
Paris archives.
Archives nationales (AN) F21 576.
Janssen, Jules, “Conférence sur la photographie faite à l’issue du congrès international de photographie, le 17 août 1889”, in Œuvres scientifiques, vol. II, 153–66, p. 159.
Mme Henri Beau, “Jules Janssen”, p. 24.
Ibid.
Sessions of 15 June and 3 July 1839.
Joint session of the two Academies of 19 August 1839.
Da Cunha, A., “L’exposition de l’enfance”, La Nature, No. 1463, 08 June 1901, 63–4.
Jules Janssen, notebook, BIF Ms 4126–2.
Durand-Gréville, Émile, Entretiens de J.-J. Henner, Paris, Lemerre, 1925, p. 262.
Jules Janssen, notebook, BIF Ms 4126–2.
Mme Henri Beau, “Jules Janssen”, p. 27.
Ibid.
Jules Janssen, notebook, BIF Ms 4126–2.
Touchatout [Bienvenu, Léon Charles], Le trombinoscope, No.62, Paris, 1873.
Letter from the Minister for Public Education and Worship to Jules Janssen, 24 October 1857, AN F17 2972.
Letter from Jules Janssen to the Minister for Public Education and Worship, 12 October 1857, AN F17 2972.
Letter from the Minister for Public Education and Worship to Jules Janssen, 24 October 1857, AN F17 2972.
Letter from Jules Janssen to Henriette Forestier, 05 February 1859, BIF Ms 4133-2.
Letter from Jules Janssen to Henriette Forestier, 10 April 1859, BIF Ms 4133-6.
Marriage contract dated 17 September 1859, AN, MC/ET/CVII/911.
Letter from Jules Janssen to Henriette Forestier, 1859, BIF Ms 4133-22.
Janssen, Jules, “Note sur une propriété de l’œil relativement à la chaleur rayonnante”, sealed envelope deposited at the Académie des sciences, 12 September 1859, in Œuvres scientifiques, vol. 1, 1–5.
Letter from Henriette to Jules Janssen, 27 June 1860, BIF Ms 4134-4
Death certificate, Paris archives.
Letter from Jules Janssen to Henriette Forestier, 14 September 1860, BIF Ms 4133-31.
Letter from Henriette to Jules Janssen, 27 June 1860, BIF Ms 4134-10.
Letter from Jules Janssen to Henriette Forestier, 14 September 1860, BIF Ms 4133-32.
Janssen, Jules and Follin, Eugène, “Considérations physiologiques sur l’éclairage et applications à l’examen ophtalmoscopique”, Archives générales de médecine, 18 (1861), 26–37.
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Launay, F. (2012). Childhood and Education. In: The Astronomer Jules Janssen. Astrophysics and Space Science Library, vol 380. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-0697-6_2
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