1798 births

Thomas Francis Fremantle, 1st Baron Cottesloe, 2nd Baron Fremantle, (11 March 1798 – 3 December 1890), known as Sir Thomas Fremantle, Bt, between 1821 and 1874, was a British Tory politician.

Adolf von Rauch (22 April 1798 - 12 December 1882) was a German paper manufacturer in Heilbronn, where he was born and died and where he was a major builder of social housing.

Amable Tastu, born Sabine Casimire Amable Voïart, (30 August 1795 - 10 January 1885) was a 19th-century French poet and writer (femme de lettres).

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).

Marie-Guillaume-Alphonse Devergie (February 15, 1798 – October 2, 1879) was a French dermatologist born in Paris.
In 1834 he became a physician of Parisian hospitals (médecin des hôpitaux), and in 1840 succeeded Laurent-Théodore Biett (1781–1840) at the Hôpital Saint-Louis, where he practiced medicine until his retirement. During his career he was also associated with the Hôpitaux Bicêtre and St. Antoine. In 1874 he was elected president of the Académie de Médecine.
In 1856 Devergie was the first to describe a chronic papulosquamous disorder known as pityriasis rubra pilaris, also referred to as "Devergie's disease", a term introduced by Ernest Henri Besnier (1831-1909) in 1889.In 1854 he published an important textbook on skin diseases titled Traité pratique des maladies de la peau.
When he retired, Devergie donated his collection of dermatological watercolors to the Parisian hospital administration. This donation was instrumental in creation of a medical museum at Hôpital Saint-Louis.Devergie was one of the founders of forensic medicine in France, and was co-publisher of the journal Annales d’hygiène publique et de médecine légale with Mathieu Orfila (1787–1853), Gabriel Andral (1797–1876), Jean-Étienne Dominique Esquirol (1772–1840) and François Leuret (1797–1851). In 1836 he published a two-volume book on judicial medicine called Medecine legale, theorique et pratique.

Luise Hensel (30 March 1798 to 18 December 1876) was a German teacher and religious poet, who influenced the romantic style of her friend and fellow poet, Clemens Brentano.

Charles Beck or Karl Beck (August 19, 1798 – March 19, 1866) was a German-born American classical scholar, Harvard professor and friend of Charles Follen.