Born in 1839

Jan 1 Ouida the pseudonym of the English novelist Maria Louise Ramé.
Jan 4 Casimiro de Abreu a Brazilian poet, novelist and playwright, adept of the "Ultra-Romanticism" movement. He is famous for the poem "Meus oito anos"
Jan 4 Carl Humann a German engineer, architect and archaeologist. He discovered the Pergamon Altar
Jan 5 Nicolás de Piérola a Peruvian politician, the Finance Minister and twice President of the Republic of Peru, from 1879 to 1881 and 1895 to 1899.
Jan 5 Nikolai Linevich a career military officer, General of Infantry and Adjutant general in the Imperial Russian Army in the Far East during the latter part of the Russo-Japanese War.
Jan 7 Max Britzelmayr a German mycologist and lichenologist who was a native of Augsburg.
Jan 9 John Knowles Paine the first American-born composer to achieve fame for large-scale orchestral music. The senior member of a group of other composers collectively known as the Boston Six, Paine was one of those responsible for the first significant body of concert music by composers from the United States. The other five were Amy Beach, Arthur Foote, Edward MacDowell, George Chadwick, and Horatio Parker
Jan 11 Vladimir Meshchersky a Russian journalist and novelist.
Jan 11 Eugenio María de Hostos a Puerto Rican educator, philosopher, intellectual, lawyer, sociologist, and Puerto Rican independence advocate.
Jan 17 Albert Bernhard Frank a German biologist. He is credited with coining the term mycorrhiza
Jan 17 Wilhelm von Diez a German painter and illustrator of the Munich School.
Jan 19 William Philip Hiern a British mathematician and botanist.
Jan 19 Paul Cézanne a French artist and Post-Impressionist painter whose work laid the foundations of the transition from the 19th-century conception of artistic endeavour to a new and radically different world of art in the 20th century. Cézanne's often repetitive, exploratory brushstrokes are highly characteristic and clearly recognizable. He used planes of colour and small brushstrokes that build up to form complex fields. The paintings convey Cézanne's intense study of his subjects
Jan 21 Caterina Volpicelli an Italian nun, foundress of the Congregation “Ancelle del Sacro Cuore di Gesù”. She was proclaimed Blessed by John Paul II in 2001 and Saint on April 26, 2009 by Pope Benedict XVI
Jan 27 Hugo Kronecker a German physiologist from Liegnitz, Prussian Silesia. He was the brother of Leopold Kronecker
Jan 30 Franz Stockhausen a German choral conductor, and a member of a celebrated German musical family.
Feb 2 Wolfgang Helbig a German classical archaeologist born in Dresden. He is known for his studies involving the wall paintings of Campania
Feb 3 Nestor Genko a scientist in the field of forestry, known for creation of the world's first major watershed protection forest belt system, the Genko Forest Belt, located in the east of Ulyanovsk Oblast. He was also a hero of the Russo-Turkish War of 1877–78
Feb 6 Felix von Thümen a German botanist and mycologist.
Feb 6 Raoul Le Mouton de Boisdeffre a French army officer.
Feb 7 Élie-Miriam Delaborde a French pianist and composer. He was also renowned as a player of the pedal piano
Feb 9 Silas Adams a lawyer and politician from Kentucky.
Feb 11 Almon Brown Strowger gave his name to the electromechanical telephone exchange technology that his invention and patent inspired.
Feb 11 Josiah Willard Gibbs an American scientist who made important theoretical contributions to physics, chemistry, and mathematics. His work on the applications of thermodynamics was instrumental in transforming physical chemistry into a rigorous deductive science. Together with James Clerk Maxwell and Ludwig Boltzmann, he created statistical mechanics , explaining the laws of thermodynamics as consequences of the statistical properties of large ensembles of particles. Gibbs also worked on the application of Maxwell's equations to problems in physical optics. As a mathematician, he invented modern vector calculus
Feb 12 Enrico Castelnuovo an Italian writer who had an active role in the Italian unification movement.
Feb 14 Hermann Hankel a German mathematician who was born in Halle, Germany and died in Schramberg , Imperial Germany.
Feb 15 Hieronymus Georg Zeuthen a Danish mathematician.
Feb 15 August Rohling a German Catholic theologian, student of anti-Semitic texts, and polemical author.
Feb 15 Rayko Zhinzifov a Bulgarian National Revival poet and translator from Veles in today's Republic of Macedonia, who spent most of his life in the Russian Empire.
Feb 18 Harry Seeley a British paleontologist.
Feb 18 Pascual Cervera y Topete as an admiral of the Spanish Caribbean Squadron during the Spanish-American War, and prior to this served his country in a variety of military and political roles.
Feb 20 Benjamin Waugh a Victorian social reformer and campaigner who founded the UK charity, the National Society for the Prevention of Cruelty to Children in the late 19th century, and also wrote various hymns.
Feb 22 Francis Pharcellus Church an American publisher and editor. He was a member of the Century Association
Feb 26 John Pentland Mahaffy an Irish classicist and polymathic scholar.
Feb 27 Victor Capoul a French operatic tenor with a lyric voice and a graceful singing style.
Feb 28 Johannes Conrad a German political economist. Johannes Conrad was a Professor of economics in Halle , Prussian Germany. He was a co-founder of the important conservative Verein für Sozialpolitik in 1872. Late in his career, in 1911, he became the director of the newly established Institute for Co-operative Studies at the University of Halle. Conrad was an expert in political economy and became the editor of the influential Jahrbücher für Nationalökonomie und Statistik in 1870
Mar 1 Élie Marchal a Belgian botanist and mycologist.
Mar 1 Albert S. Bickmore an American naturalist and one of the founders of the American Museum of Natural History.
Mar 1 Luigi Pelloux an Italian general and politician, born of parents who retained their Italian nationality when Savoy was annexed to France.
Mar 2 Francis Planté a French pianist famed as one of the first ever recording artists. He was France's most important pianist in the nineteenth century, apart from Chopin
Mar 3 Jamsetji Tata an Indian pioneer industrialist, who founded the Tata Group, India's biggest conglomerate company. He was born to a Parsi Zoroastrian family in Navsari then part of the princely state of Baroda
Mar 6 Reinhard Kekulé von Stradonitz a German archeologist. He has been called the founder of modern iconology. He served as director of the collection of antique sculpture and vases at the Berlin Museum and also as the director of the antiquarium of the Berlin Museum. Kekulé was the nephew of the organic chemist Friedrich August Kekulé von Stradonitz
Mar 7 Ludwig Mond a German-born chemist and industrialist who took British nationality.
Mar 7 Adolf Dygasiński a Polish novelist, publicist and educator. In Polish literature, he was one of the leading representatives of Naturalism
Mar 8 James Crafts an American chemist, best known for developing the Friedel-Crafts alkylation and acylation reactions with Charles Friedel in 1876.
Mar 8 Josephine Cochrane patented in 1850 by Joel Houghton.
Mar 9 Phoebe Knapp a composer of music for hymns and an organist.
Mar 10 Alfred Hutton a Victorian officer of the King's Dragoon Guards, writer, antiquarian and swordsman. He originated the first English revival of historical fencing, together with his colleagues Egerton Castle, Captain Carl Thimm, Colonel Cyril Matthey, Captain Percy Rolt, Captain Ernest George Stenson Cooke, Captain Frank Herbert Whittow, Sir Frederick and Walter Herries Pollock
Mar 10 Dudley Buck an American composer, organist, and writer on music. He published several books, most notably the Dictionary of Musical Terms and Influence of the Organ in History, which was published in New York in 1882
Mar 10 Heinrich Roller the inventor of a German shorthand system. Roller was also a writer of humorist texts and a professor at the "Journalistische Hochschule" in Berlin