French male non-fiction writers

Augustin Marie Morvan (7 February 1819 in Lannilis – 20 March 1897 in Douarnenez) was a French physician, politician, and writer. He is best known for treating the first recorded case of the eponymous Morvan's syndrome, a rare neurological disorder marked by acute insomnia. Morvan served as a deputy to the French National Assembly that inaugurated the Third Republic in 1871. In Brest, France, where he began his medical studies, the Rue Augustin Morvan and the Hôpital Augustin Morvan are named after him.

Charles Lalo (24 February 1877, Périgueux – 1 April 1953, Paris) was a French writer on aesthetics.

Antoine Joseph Jobert de Lamballe (17 December 1799 – 19 April 1867) was a French surgeon. He was born at Matignon, studied medicine at Paris, and in 1830 became surgeon at the Hôpital Saint-Louis. He was elected to the Academy of Medicine in 1840 and to the Academy of Sciences in 1856.
Jobert was a brilliant and resourceful operator, best known for his masterly use of autoplastie, the repair of diseased parts by healthy neighboring tissue, and especially for the operation which he styled élitroplastie, an autoplastic cure of vaginal fistula. He wrote:

Traité théorique et pratique des maladies chirurgicales du canal intestinal (1829)
Etudes sur le système nerveux (1838)
Traité de chirurgie plastique (1849)
De la réunion en chirurgie (1864)

Jean Hyppolite (French pronunciation: [ʒɑ̃ ipɔlit]; 8 January 1907 – 26 October 1968) was a French philosopher known for championing the work of G.W.F. Hegel, and other German philosophers, and educating some of France's most prominent post-war thinkers. His major works include Genèse et structure de la Phénoménologie de l'esprit de Hegel (1946) and Études sur Marx et Hegel (1955) and the first translation of Hegel's The Phenomenology of Spirit into French in 1939.

Étienne-Ossian Henry (27 November 1798 in Paris – 26 August 1873) was a French chemist, son of Noël-Étienne Henry (1769–1832), and trained by his father, who was director of the Central Pharmacy of the Parisian hospitals and professor in the School of Pharmacy. In 1824, he became director of the chemical laboratory of the Academy of Medicine. He discovered sinapin and studied mineral waters, the milk of various animals, nicotine, and tannin. In 1827, with Auguste-Arthur Plisson, who had studied under his father, he discovered aspartic acid.In 1845, he invented the first true burette for titration, which is a widely used device in analytical chemistry and related fields.His son was Emmanuel-Ossian Henry (1826-1867).

Octave Hamelin (22 July 1856 in Montpellier – 11 September 1907 in Prades, Pyrénées-Orientales) was a French philosopher. He taught as a professor at the University of Bordeaux (1884-) and the University of Sorbonne (1905-). Hamelin was a close friend of the sociologist Émile Durkheim, with whom he shared an interest in the French philosopher Charles Renouvier. He is also known as a translator of classical Greek philosophers.Hamelin drowned in 1907, attempting to save two young women.

Bernard d'Espagnat (22 August 1921 – 1 August 2015) was a French theoretical physicist, philosopher of science, and author, best known for his work on the nature of reality. Wigner-d'Espagnat inequality is partially named after him.
Quote: "The doctrine that the world is made up of objects whose existence is independent of human consciousness turns out to be in conflict with quantum mechanics and with facts established by experiment."

Jean-Toussaint Desanti (8 October 1914 – 20 January 2002) was a French educator and philosopher known for his work on both the philosophy of mathematics and phenomenology.

Étienne Marie Justin Victor Delbos (26 September 1862, Figeac – 16 June 1916, Paris) was a Catholic philosopher and historian of philosophy.
Delbos was appointed a lecturer at the Sorbonne in 1902. In 1911 he became a member of the Académie des Sciences Morales et Politiques. He died in July 1916 as a result of an infectious myocarditis brought on by pleurisy. Maurice Blondel, a close friend, wrote an obituary account of Delbos and saw various posthumous publications through the press.He wrote on Spinoza, Nicolas Malebranche and Kant. A series of lectures on post-Kantian philosophy, which Delbos viewed as shaped by contingent psychological and social factors rather than through the unfolding of some internal logic, were published posthumously and later (1942) collected in a single volume.Delbos was the father of the violinist and composer Claire Delbos. In turn, he was the father-in-law of Olivier Messiaen.

Victor Charles Louis Brochard (French: [bʁɔʃaʁ]; 29 June 1848 – 25 November 1907) was a French philosopher and historian of philosophy.