Born in 1796

Jan 7 Princess Charlotte of Wales the only child of George, Prince of Wales and Caroline of Brunswick. Had she outlived both her grandfather King George III and her father, she would have become Queen of the United Kingdom, but she died following childbirth at the age of 21
Jan 15 Pavel Liprandi a Russian soldier who took part in the Crimean War.
Jan 20 Jean Baptiste Antoine Guillemin a French botanist.
Jan 21 Princess Marie of Hesse-Kassel the consort of George, Grand Duke of Mecklenburg-Strelitz.
Jan 23 Karl Ernst Claus a Baltic German chemist and naturalist. Claus was a professor at Kazan State University and a member of the Russian Academy of Sciences. He was primarily known as a chemist and discoverer of the chemical element ruthenium, but also as one of the first scientists who applied quantitative methods in botany
Jan 25 William MacGillivray a Scottish naturalist and ornithologist.
Feb 1 Abraham Emanuel Fröhlich a Swiss poet.
Feb 3 Jean Baptiste Madou a Belgian painter and lithographer.
Feb 6 John Stevens Henslow an English clergyman, botanist and geologist. He is best remembered as friend and mentor to his pupil Charles Darwin
Feb 8 Barthélemy Prosper Enfantin a French social reformer, one of the founders of Saint-Simonianism. He was also a proponent of a Suez canal
Feb 10 Henry De la Beche an English geologist and palaeontologist, the first director of the Geological Survey of Great Britain, who helped pioneer early geological survey methods.
Feb 11 Giovanni Pacini an Italian composer, best known for his operas. Pacini was born in Catania, Sicily, the son of the buffo Luigi Pacini, who was to appear in the premieres of many of Giovanni's operas. The family was of Tuscan origin, and just happened to be in Catania when the composer was born
Feb 15 Pyotr Anjou an Arctic explorer and an admiral of the Imperial Russian Navy.
Feb 17 Frederick William Beechey an English naval officer and geographer.
Feb 17 Philipp Franz von Siebold a German physician, botanist, and traveler. He taught some pupils Western medicine in Japan. He achieved prominence for his study of Japanese flora and fauna, and was the father of female Japanese doctor, Kusumoto Ine
Feb 21 Prince George Bernhard of Anhalt-Dessau a German prince of the House of Ascania from the Anhalt-Dessau branch.
Feb 22 Alexis Bachelot a Roman Catholic priest best known for his tenure as the first Prefect Apostolic of the Sandwich Islands. In that role, he led the first permanent Catholic mission to the Kingdom of Hawaii. Bachelot was raised in France, where he attended the Irish College in Paris, and was ordained a priest in 1820. He led the first Catholic mission to Hawaii, arriving in 1827. Although he had expected the approval of then Hawaiian King Kamehameha II, he learned upon arrival that Kamehameha II had died and a new government that was hostile towards Catholic missionaries had been installed. Bachelot, however, was able to convert a small group of Hawaiians and quietly minister to them for four years before being deported in 1831 on the orders of Kaʻahumanu, the Kuhina Nui of Hawaii
Feb 22 Adolphe Quetelet a Belgian astronomer, mathematician, statistician and sociologist. He founded and directed the Brussels Observatory and was influential in introducing statistical methods to the social sciences. His name is sometimes spelled with an accent as Quételet
Mar 3 Karl Ullmann a German Calvinist theologian from the Electoral Palatinate.
Mar 17 Jean-François Bayard a French playwright. He was the nephew of fellow playwright Eugène Scribe
Mar 18 Jakob Steiner a Swiss mathematician who worked primarily in geometry.
Mar 20 Edward Gibbon Wakefield a British politician, the driving force behind much of the early colonisation of South Australia, and later New Zealand.
Mar 23 Laurent-Joseph-Marius Imbert a French missionary bishop in Asia. Most notable among the Koreans, he was executed in the Kingdom of Joseon for his Catholic faith, and has been canonized by the Catholic Church
Mar 23 Julius Friedrich Heinrich Abegg a German criminalist.
Mar 24 John Corry Wilson Daly politician, businessperson, militia officer, and the first Mayor of Stratford, Ontario.
Mar 26 Bellamy Storer (1796–1875) a U.S. Representative from Ohio, father of Bellamy Storer
Mar 31 Hermann Hupfeld German Orientalist and Biblical commentator. He is known for his historical-critical studies of the Old Testament
Apr 2 William Pickering (publisher) an English publisher, notable for introducing cloth binding to British publishing.
Apr 12 George N. Briggs an American lawyer and politician from Massachusetts. A Whig, Briggs served for twelve years in the United States House of Representatives, and served seven one-year terms as the 19th Governor of Massachusetts, from 1844 to 1851
Apr 14 Benjamin Bonneville a French-born officer in the United States Army, fur trapper, and explorer in the American West. He is noted for his expeditions to the Oregon Country and the Great Basin, and in particular for blazing portions of the Oregon Trail
Apr 17 Stanisław Jachowicz a Polish educator, poet and children books author. He is regarded as the founding father of children literature in Poland
Apr 20 Francis Baring 1st Baron Northbrook a British Whig politician who served in the governments of Lord Melbourne and Lord John Russell.
Apr 24 Karl Leberecht Immermann a German dramatist, novelist and a poet.
Apr 25 Giuseppe Giacinto Moris an Italian botanist known for investigations of flora native to Sardinia.
Apr 26 Auguste Mathieu Panseron a French composer and voice teacher.
Apr 27 Johann F. C. Hessel a German physician and professor of mineralogy at the University of Marburg.
Apr 30 Adolphe Crémieux a French-Jewish lawyer and statesman and staunch defender of the human rights of the Jews of France.
May 4 Horace Mann an American education reformer. As a politician, he served in the Massachusetts State Legislature. In 1848, after serving as Secretary of the Massachusetts State Board of Education since its creation, he was elected to the United States House of Representatives. Historian Ellwood Cubberley asserts:
May 4 William H. Prescott widely recognized by historiographers to have been the first American scientific historian. Despite suffering from serious visual impairment, which at times prevented him from reading or writing for himself, Prescott became one of the most eminent historians of 19th century America. He is also noted for his eidetic memory
May 8 François Mignet a French journalist and historian of the French Revolution.
May 9 Joseph Meyer (publisher) a German industrialist and publisher, most noted for his encyclopedia, Meyers Konversations-Lexikon.
May 17 Karl Heinrich Mertens a German botanist and naturalist, and son of the botanist Franz Carl Mertens.
May 26 Aloys II Prince of Liechtenstein the sovereign Prince of Liechtenstein between 1836 and 1858. He was a son of Johann I Joseph, Prince of Liechtenstein and wife Landgravine Josepha of Fürstenberg-Weitra, nephew of Aloys I and father of Johann II and Franz Alois contributed actively to Liechtenstein's economic and political development
May 26 Armand Joseph Bruat a French admiral.
May 28 Joseph-Henri Léveillé a French physician and mycologist who was a native of Crux-la-Ville, in the department of Nièvre.
May 30 Olivier Voutier a French naval officer who discovered the statue of the Venus de Milo in 1820, and fought in the Greek War of Independence.
Jun 1 John Rae (economist) a Scottish/Canadian economist. He was born to an unknown mother and a merchant father whose bankruptcy caused him to move to Montreal in 1822, after he graduated from the University of Aberdeen. Later, he moved to Williamston and Hamiliton in Ontario, Canada where his wife died of cholera. He was well acquainted with the Scottish/Canadian community and affiliated with the Presbyterian Church of Scotland. In Canada he worked as a timber trader, schoolteacher and a doctor. In 1834, he moved to Boston and New York where he also worked as a teacher. He went on to Central America where he was a physician, and he moved with the gold-miners to California in 1849, and a couple years later, poor and sick of malaria, he finds enough money to board a ship to the Kingdom of Hawaiʻi where he worked as many different professions. He was a medical officer for the Hawaiian Board of Health and vaccinated a number of native children of smallpox. He was geologist and wrote papers on the geology of the islands. He was also a historian in Hāna, Maui, writings articles for the newspaper Polynesian. He also wrote a number of manuscripts, but these were lost in a fire at Lahainaluna Seminary. His most famous work was the Statement of Some New Principles on the Subject of Political Economy. Influenced by both Adam Smith and David Hume, his influence lingered all the way to the 20th century. So much so that economist Irving Fisher and Austrian economist Eugen von Böhm-Bawerk prefaced their work with Rae's, thanking him for contributions to modern economics while very few had heard of his work
Jun 1 Nicolas Léonard Sadi Carnot a French military engineer and physicist, often described as the "father of thermodynamics". In his only publication, the 1824 monograph Reflections on the Motive Power of Fire, Carnot gave the first successful theory of the maximum efficiency of heat engines. Carnot's work attracted little attention during his lifetime, but it was later used by Rudolf Clausius and Lord Kelvin to formalize the second law of thermodynamics and define the concept of entropy
Jun 9 Carl Ludwig Blume a German-Dutch botanist.
Jun 14 Nikolai Brashman a Russian mathematician of Austrian origin. He was a student of Joseph Johann Littrow, and the advisor of Pafnuty Chebyshev and August Davidov