1869 deaths

Guglielmo Libri Carucci dalla Sommaja (1 January 1803 – 28 September 1869) was an Italian count and mathematician, who became known for his love and subsequent theft of ancient and precious manuscripts. After being appointed the Inspector of Libraries in France, Libri began stealing the books he was responsible for. He fled to England when the theft was discovered, along with 30,000 books and manuscripts inside 18 trunks. In France, he was sentenced to 10 years in jail in absentia; some of the stolen works were returned when he died, but many remained missing.

Gérard Daniel Westendorp (8 March 1813, The Hague – 31 January 1869, Dendermonde) was a Dutch born, Belgian military physician and botanist.
He studied medicine at the Ecole de Médecine de Bruxelles, later working as a student-physician in Antwerp. Around 1834, he became a naturalized citizen of Belgium, subsequently serving as an assistant army and navy physician, later spending his career as a "regular doctor" in the Belgian army.As a botanist, he specialized in cryptogamic flora, being the co-publisher (with A.C.F. Wallays) of a cryptogamic exsiccatae series of Belgium. He also made significant contributions towards the "Prodromus Florae Batavae" project (1850-1866). In the field of zoology, he published a treatise on Bryozoa and sponges of Belgium.Westendorp's botanical specimens are preserved in the Jardin Botanique National de Belgique.

Augustin Grisolle (10 February 1811 – 9 February 1869) was a French physician born in Fréjus.
Grisolle was a professor at the Paris faculty of medicine and a member of the Académie de Médecine. He was the author of the two-volume "Traité élémentaire et pratique de pathologie interne" (1844).
His name is associated with "Grisolle's sign", an obsolete sign once affiliated with smallpox. It involved feeling the presence of papules when the skin is stretched.

Joseph Jean Baptiste Xavier Fournet (May 15, 1801 – January 8, 1869), French geologist and metallurgist, was born at Strasbourg.
He was educated at the École des Mines in Paris, and after considerable experience as a mining engineer he was in 1834 appointed professor of geology at Lyon.
He was a man of wide knowledge and extensive research, and wrote memoirs on chemical and mineralogical subjects, on eruptive rocks, on the structure of the Jura, the metamorphism of the Western Alps, on the formation of oolitic limestones, on kaolinization and on metalliferous veins. On metallurgical subjects he also was an acknowledged authority; and he published observations on the order of sulphurability of metals (loi de Fournet).
He died in Lyon. His chief publications were: Études sur les dépôts métallifères (Paris, 1834); Histoire de la dolomie (Lyon, 1847); De l'extension des terrains houillers (1855); and Géologie lyonnaise (Lyon, 1861).

Domingo Dulce y Garay, 1st Marquis of Castell-Florite (Sotés (La Rioja), Spain, 7 May 1808 - Amélie-les-Bains-Palalda, France, 23 November 1869), was a Spanish noble and general, who fought in the First Carlist War and who served two times as Captain General of Cuba.
He joined the Spanish army in 1823 at the end of the Trienio Liberal and participated in the First Carlist War under the command of the Christino Baldomero Espartero, a close friend. During the campaign he won four Lauriate crosses. His friendship with Espartero let to his collaboration during the Espartero or second regency while Isabel was a minor, during which period he was prominent in quelling the moderate liberal revolt of 1841 when Diego de León and Manuel de la Concha tried to enter the Royal Palace of Madrid and kidnap the young queen
In the rank of general he participated in the Second Carlist War and beat the Carlist general Ramón Cabrera y Griñó. he supported General O'Donnell Bienio progresista and then faced a Carlist uprising at Sant Carles de la Ràpita which earned him he title of Marquis of Castell-Florite.
During most the Liberal Union government period he was stationed in Cuba as Captain-General although his support of O'Donnell did not dispel their suspicion of him, even after he served as a senator from 1858 to 1860.
During his stay in America he was noted for his clear commitment to abolish slavery, which earned him the enmity of the Spanish expatriates and open confrontation with Julian de Zulueta. On his return in 1866 he participated in the conspiracy that led to the revolution and the overthrow of Isabella in 1868. Although he was banished to the Canary Islands as a suspected progressive collaborator despite being one of the signatories of the manifesto that accompanied the revolution.He returned to Cuba, and is noted for having decreed for the first time on the island – 9 January 1869 – freedom of the press just a few months before his death on 23 November 1869.

Joseph Ascher (3 June 1829 – 20 June 1869) was a Dutch-Jewish composer and pianist. He lived in Paris and London for most of his life.

Eugène Abdon Mage (30 July 1837 – 19 December 1869) was a French naval officer and explorer of Africa. Mage published the first detailed description of the Toucouleur Empire created by El Hadj Umar Tall.

Désiré Dalloz (12 August 1795 – 12 January 1869) was a French jurist, politician and publisher.

August Wilhelm Bach (4 October 1796 – 15 April 1869), was a German composer and organist, from Berlin.He studied with his father, Gottfried, as well as with Carl Friedrich Zelter and Ludwig Berger as well as at the Singing Academy in Berlin. In 1816 he served as an organist at St Mary's Church and from 1820 he taught organ and music theory at the Institute of Church Music set up by Zelter. In 1832, Bach succeeded Zelter as the director of the Royal Institute of Church Music in Berlin. He also taught at the Prussian Academy of Arts. His compositions largely consist of sacred works and works for keyboard. He also wrote a pipe organ method and a hymnbook.
He is unrelated to the family of Johann Sebastian Bach.

Johan Michiel Dautzenberg (6 December 1808, in Heerlen – 4 February 1869, in Elsene) was a Belgian writer. Professionally he was successively secretary, clerk, teacher, private tutor, and bookkeeper.
He wrote poems on nature, songs, novels, poems concerning the Flemish movement. According to August Vermeylen, he was the first consciously Flemish writer. With his Beknopte prosodie der Nederduitsche taal (a study of Dutch prosody), he tried to convince his fellow poets to return to the classical metrics of poetry. His work shows a strong German literary influence, and he translated Loverkens by Hoffmann von Fallersleben.
His first collection, Gedichten (Poems), appeared in 1850, and the following year the first edition of his Beknopte Prosodia der Nederduitsche Taal. Many poems, songs, and literary studies followed, including an ode to miners. In 1857, he and some friends founded the educational journal De Toekomst (The Future).
He translated the Odes of Horace, which were published in 1923. A collection of his poems was published in 1869, after his death, by his son-in-law Frans de Cort as Verspreide en nagelaten gedichten.
Translations of fifty Horatian odes were rediscovered in 1910 and subsequently published. Later still, 70 letters stored in the Plantin-Moretus Museum, Antwerp, were published.