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
Ludwik Kalkstein October 1994, in Munich, Germany. Ludwik Kalkstein Ludwik "Hanka" Kalkstein, also known as Ludwik Kalkstein-Stoliński, (13 March 1920, Warsaw – 26 October 1994, Munich); was one of the better known German Gestapo agents during the Warsaw Uprising as well as a Stalinist informant following the Soviet takeover of Poland. Along with his wife (Blanka Kaczorowska "Sroka"), they became traitors to the Armia Krajowa under not just one but two consecutive totalitarian regimes. Kalkstein was responsible for the arrest and execution by the Nazis of at least fourteen Polish underground officers, including the General Stefan Rowecki. Arrested by the Gestapo in