L. L. Zamenhof Trail in Białystok, which was opened in June 2008 by volunteers at The University of Białystok Foundation. In 1960, Esperanto summer schools were established in Stoke-on-Trent in the United Kingdom by the Esperanto Association of Britain (EAB), which began to provide lessons and promote the language locally. There is a road named after Zamenhof in the town: Zamenhof Grove. L. L. Zamenhof Ludwik Lejzer Zamenhof (; , ; – ), credited as L. L. Zamenhof and sometimes as the pseudonymous Dr. Esperanto, was a Polish-Jewish ophthalmologist and the creator of Esperanto, the most successful constructed language in the world. He
Justus Ludwik Decjusz by the "Stowarzyszenie Willa Decjusza" (Organization Decjusz's Villa), which is located in the building. Justus Ludwik Decjusz Justus Ludwik Decjusz (, ; 1485–1545) was a notable Polish burgher and diplomat of German origin in 16th-century Kraków. He served as a finance minister and secretary to the Polish king Sigismund I the Old. Originally from Alsace, Decjusz's career peaked with his appointment as the king's personal adviser and overseer of the royal mint. He was also the author of a widely circulated text "De vetustatibus Polonorum" (, "On the Ancient Origins of the Poles"), an early version of the Sarmatian myth