Zamenhof-Esperanto object of 1044 Zamenhof-Esperanto objects in 54 countries") and until his death in 2001 he listed a total of 1260 such objects. It is he who coined the acronym "ZEO". Currently, Robert Kamiński of Poland is the person charged with the registration of ZEOs by the Universal Esperanto Association. The highest number of ZEOs per country is situated in Brazil. In Poland, the birthplace of Esperanto, there are more than a hundred of them. 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
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