Arvède Barine, was a French writer and historian. Arvède Barine was the pseudonym of Mme. Charles Vincens, born Louise-Cécile Bouffé on 17 November 1840. She mostly wrote on the subject of women, but she also wrote about travel, the political issues of the day, and the fantastic literature of authors such as Edgar Allan Poe and E. T. A. Hoffmann. She died on 14 November 1908 in Paris.

Asa Gray is considered the most important American botanist of the 19th century. His Darwiniana was considered an important explanation of how religion and science were not necessarily mutually exclusive. Gray was adamant that a genetic connection must exist between all members of a species. He was also strongly opposed to the ideas of hybridization within one generation and special creation in the sense of its not allowing for evolution. He was a strong supporter of Darwin, although Gray's theistic evolution was guided by a Creator.

Ashley Horace Thorndike was an American educator and expert on William Shakespeare. He was the son of a clergyman Edward R Thorndike, and the brother of Lynn Thorndike, an American historian of medieval science and alchemy, and Edward Lee Thorndike known for being the father of modern educational psychology.

Aubrey Vincent Beardsley was an English illustrator and author. His black ink drawings were influenced by Japanese woodcuts, and depicted the grotesque, the decadent, and the erotic. He was a leading figure in the aesthetic movement which also included Oscar Wilde and James McNeill Whistler. Beardsley's contribution to the development of the Art Nouveau and poster styles was significant despite his early death from tuberculosis. He is one of the important Modern Style figures.

Ferdinand August Bebel was a German socialist politician, writer, and orator. He is best remembered as one of the founders of the Social Democratic Workers' Party of Germany (SDAP) in 1869, which in 1875 merged with the General German Workers' Association into the Socialist Workers' Party of Germany (SAPD). During the repression under the terms of the Anti-Socialist Laws, Bebel became the leading figure of the social democratic movement in Germany and from 1892 until his death served as chairman of the Social Democratic Party of Germany.

August William Derleth was an American writer and anthologist. He was the first book publisher of the writings of H. P. Lovecraft. He made contributions to the Cthulhu Mythos and the cosmic horror genre and helped found the publisher Arkham House. Derleth was also a leading American regional writer of his day, as well as prolific in several other genres, including historical fiction, poetry, detective fiction, science fiction, and biography.

August Mau was a prominent German art historian and archaeologist who worked with the Deutsches Archäologisches Institut while studying and classifying the Roman paintings at Pompeii, which was destroyed with the town of Herculaneum by volcanic eruption in 79 AD. The paintings were in remarkably good condition due to the preservation by the volcanic ash that covered the city. Mau first divided these paintings into the four Pompeian Styles still used as a classification.

Johan August Strindberg was a Swedish playwright, novelist, poet, essayist and painter. A prolific writer who often drew directly on his personal experience, Strindberg wrote more than sixty plays and more than thirty works of fiction, autobiography, history, cultural analysis, and politics during his career, which spanned four decades. A bold experimenter and iconoclast throughout, he explored a wide range of dramatic methods and purposes, from naturalistic tragedy, monodrama, and history plays, to his anticipations of expressionist and surrealist dramatic techniques. From his earliest work, Strindberg developed innovative forms of dramatic action, language, and visual composition. He is considered the "father" of modern Swedish literature and his The Red Room (1879) has frequently been described as the first modern Swedish novel. In Sweden, Strindberg is known as an essayist, painter, poet, and especially as a novelist and playwright, but in other countries he is known mostly as a playwright.

August Friedrich Ferdinand von Kotzebue was a German dramatist and writer who also worked as a consul in Russia and Germany.

August Wilhelm Iffland was a German actor and dramatic author.