Zamenhof-Esperanto object Zamenhof-Esperanto object A Zamenhof-Esperanto object (, ZEO) is a monument or a place linked to L. L. Zamenhof, the constructed language Esperanto he created and first published in 1887, or the community of Esperanto speakers which has been using the language since. Zamenhof-Esperanto objects are streets, memorials, other public spaces such as squares, parks or bridges. Zamenhof or Esperanto sometimes appear also in the names of buildings and companies such as hospitals, hotels or translation agencies. There have also been vehicles, such as zeppelins, ships and trains named after Zamenhof or Esperanto, and some species, rivers, islands, asteroids and other
L. L. Zamenhof international language must have a simpler grammar. Apart from his parents' native languages Russian and Yiddish and his adopted language Polish, his linguistics attempts were also aided by his mastering of German, a good passive understanding of Latin, Hebrew and French, and a basic knowledge of Greek, English and Italian. By 1878, his project "Lingwe uniwersala" was almost finished. However, Zamenhof was too young then to publish his work. Soon after graduation from school he began to study medicine, first in Moscow, and later in Warsaw. In 1885, Zamenhof graduated from a university and began his practice as a doctor