1858 births

Marcel Lermoyez (24 July 1858 – 1 February 1929) was a French otolaryngologist and surgeon who was a native of Cambrai.

David Paul von Hansemann (5 September 1858 – 1920) was a German pathologist born in Eupen, east Belgium. He is remembered for his work in the field of oncology, in particular, his concept pertaining to anaplasia of cancer cells.
He studied medicine at the Universities of Berlin, Kiel and Leipzig, and following graduation spent nine years as an assistant to Rudolf Virchow (1821-1902) in Berlin. In 1890 he became habilitated in pathological anatomy, and in 1897 obtained the title of professor. In 1907 he began work as a prosector at Friedrichshain city hospital. During World War I he served as an army pathologist.
His name is associated with "Hansemann macrophages" (also known as "Hansemann cells"), which are large mononuclear cells containing Michaelis-Gutmann bodies that affect the urinary tract or kidney.

Augustin Nicolas Gilbert (15 February 1858 – 4 March 1927) was a French physician. He was born in the town of Buzancy, Ardennes, and died in Paris.

He received his doctorate from the University of Paris and became an interne at the Hôtel-Dieu de Paris. Later he was a professor of therapeutics (1902) and clinical medicine (1905) at Hôtel-Dieu. In 1907 he became a member of the Académie de Médecine.
He published many articles and books on a wide array of medical subjects. With Jean Alfred Fournier (1832-1914) he published Bibliothèque rouge de l'étudiant en médecine, and with Paul Brouardel (1837-1906) and others, he published the multi-volume Traité de médecine et de Thérapeutique. With neurologist Maurice Villaret (1877–1946), he conducted extensive research of portal hypertension.Gilbert described a hereditary cause of increased bilirubin; today this disorder is known as Gilbert's syndrome and is believed to be caused by a deficiency of the enzyme glucuronosyltransferase.

Jacques Marie Gaston Onfroy de Bréville, known by the pen name Job after his initials (25 November 1858, Bar-le-Duc – 15 September 1931, Neuilly-sur-Seine) was a French artist and illustrator.

Johan Coenraad Braakensiek (24 May 1858 – 27 February 1940) was a Dutch painter, illustrator, caricaturist and political cartoonist. He is the grandfather of Jan van Oort.

Flori Van Acker or Florimond Marie Van Acker (6 April 1858 – 14 March 1940) was a neo-romantic, impressionist Belgian painter, engraver, stamp designer and director of the Academy of Bruges.

Catharina van Rennes (2 August 1858, Utrecht – 23 September 1940, Amsterdam) was a Dutch music educator, soprano singer and composer.
Van Rennes was the daughter of Jan van Rennes and Marianna Josepha de Jong. Among her tutors were Richard Hol and Johan Messchaert. She made a career as a singer in oratorios and was highly praised for her interpretations of Schumann Lieder. She was also known for vocal compositions. She composed and conducted a cantata for The International Alliance meeting of the women's suffrage movement held in Amsterdam in 1909 which was performed by the Queen's Royal Band.Van Rennes established her own singing school and developed her own teaching technique. Like her contemporary Hendrika Tussenbroek, she is remembered today for some popular Dutch children's songs such as "Drie kleine kleutertjes die zaten op een hek" (Three little toddlers were sitting on a fence), a translation of a Kate Greenaway verse, and "Madonnakindje" (Madonna child) as well as a religious song Kind'ren van één vader" (Children of one Father).

Stanisław (Salomon Naftali) Mendelson (18 November 1858 in Warsaw - 25 July 1913 in Warsaw) was a Polish socialist politician and publicist of Jewish descent. He was an activist of Polish and international workers' movement.
He was one of the main activists and creators of the first programme of the Polish Socialist Party. In 1875-1878 he helped organize socialist groups in Warsaw. In 1878 Mendelson emigrated to Switzerland, and later lived in France and the United Kingdom. He was the co-founder and editor of the first Polish socialist magazines - Równość, Przedświt and Walka Klas.In 1880 he was accused, together with other activists, in a judicial process with socialists in Kraków. In 1882-1884 he organized socialist groups in Poznań and was eventually imprisoned by Prussian authorities. Being a skilled organizer and publicist, Mendelson personally befriended many foremost European socialists - Friedrich Engels, Karl Liebknecht, Eduard Bernstein, Karl Kautsky, Paul Lafargue, Georgi Plekhanov and others.

Wacław Kajetan Sieroszewski (24 August 1858 – 20 April 1945) was a Polish writer, Polish Socialist Party activist, and soldier in the World War I-era Polish Legions (decorated with the Virtuti Militari). For activities subversive of the Russian Empire, he had spent many years in Siberian exile.
Sieroszewski's Siberian experiences became the subjects of his many stories and novels—Na kresach lasów (At the Edge of the Woods, 1894), Dno nędzy (The Depths of Misery, 1900), Risztau (1899), Ucieczka (The Escape, 1904), Zamorski diabeł (The Overseas Devil, 1900). He also authored the popular Bajki (Fables, 1910). His 12 lat w kraju Jakutów (12 years in the Yakut country, 1900) provides the first extensive ethnographic account of the Yakut people.
Sieroszewski visited Korea (then the Korean Empire) in 1903. He arrived via boat to Busan, then traveled through the peninsula with an interpreter, speaking with locals on the way to the capital Seoul. He published a book on his experiences in the peninsula in 1905. The trip appeared to make an impression on him, and he would frequently mention Korea in later interviews. He once likened Korea's political situation, in which multiple foreign powers were encroaching on it, to Poland's.Whilst in Paris in 1910, he heard that Jan Wacław Machajski had been asking his friend Stefan Żeromski to provide a reference so that Machajski's wife would be employed by Kazimierz Dłuski. Having heard rumours circulated by the Polish Social Democratic Party of Galicia that Machajski was a terrorist, Sieroszewski wrote to Dłuski warning against getting involved with the Machajskis. When this letter fell into the hands of the police, they promptly arrested Machajski.

Charles Gustave Auguste le Bargy (28 August 1858 – 5 February 1936) was a French actor and early film director.
He was born at La Chapelle (Seine). His talent both as a comedian and a serious actor was soon made evident, and he became a member of the Comédie-Française, his chief successes being in such plays as Le Duel, L'Enigme, Le Marquis de Priola, L'Autre Danger, and Le Dedale. His wife, Simone Le Bargy (née Benda), an accomplished actress, made her debut at the Gymnase in 1902, and in later years had a great success in La Rafale and of her plays. In 1910 he had differences with the authorities of the Comédie-Française and ceased to be a societaire.He acted in and directed several early French films, starting with L'Assassinat du duc de Guise (1908) and La Tosca (1909).