The artificial language Esperanto was devised in 1887 by Lazarus Ludwig who?
Esperanto its creator L. L. Zamenhof. These include Esperanto Island in Zed Islands off Livingston Island, and the asteroids 1421 Esperanto and 1462 Zamenhof discovered by Finnish astronomer and Esperantist Yrjö Väisälä. Esperanto Esperanto () is the most widely spoken constructed international auxiliary language. L. L. Zamenhof, a Polish-Jewish ophthalmologist, created Esperanto in the late 19th century and published the first book detailing it, "Unua Libro", in 1887 under the pseudonym Dr. Esperanto, "Esperanto" translating as "one who hopes". Zamenhof's goal was to create an easy and flexible language that would serve as a universal second language to foster peace and
Sona language (artificial) Sona language (artificial) Sona is an international auxiliary language created by Kenneth Searight and described in a book he published in 1935. The word "Sona" in the language itself means "auxiliary neutral thing", but the name was also chosen to echo "sonority" or "sound". Searight created Sona as a response to the Eurocentricity of other artificial auxiliary languages of his time, such as Esperanto and Ido. At the same time, Searight intended his language to be more practical than most "a priori" languages like Solresol or Ro, which were intended to be unbiased by any particular group of natural languages.