Robert Haven Schauffler was an American writer, cellist, athlete, and war hero. Schauffler published poetry, biographies of Beethoven, Brahms, and Schumann and a series of books celebrating American holidays. where his parents were missionaries. By the time he was two he was back in the United States where his family founded the Schauffler College of Religious and Social Work in Cleveland in 1886 for Bohemian immigrants who were interested in social or religious work.

Carl Ewald (born October 15, 1856 at Bredelykke in Gram in Schleswig, died February 23, 1908) was a Danish author, best known for his Darwinist- inspired art adventures on nature. After working as a journalist at a local newspaper in Svendborg, he settled down as a freelance journalist in Copenhagen . He joined the ideas in the Modern Breakthrough and became co-editor of Ove Rod's journal Copenhagen. Under the brand "Mr. Hansen" he provided journalism to Politiken. He began writing books and in the 1880s published a number of problem books in the style of the time about, among other things. gender roles and child rearing and unfolded in the years thereafter with great energy in almost all genres.