Louis-Christophe Zaleski-Zamenhof as not only the first such World Congress in the third millennium of the civil calendar but also the third century of Esperanto, reminding the delegates: "You came to discuss intercultural dialogue, the pressing need for which inspired the initiation of the international language. In fact, almost all his biographies relate the story of the young Ludwik Łazarz Zamenhof living in the multicultural city of Białystok, observing the animosity that then governed relations among the varied nationalities, not finding a commonly understandable language, a tool that was, as he said, necessary for dialogue among the respective cultures. Mutual dialogue enables
Ludwik Rydygier Ludwik Rydygier Ludwik Rydygier (German: Ludwig Anton Rydygier von Ruediger; 21 August 1850 – 25 June 1920) was a German-Polish surgeon and professor of medicine. Born in Dossoczyn (today Dusocin) near Graudenz (Grudziądz), at the time part of the Province of Prussia after partitioning of Poland. Since childhood he accented his Polish origin. Between 1859 and 1861 he was learning in gymnasium in Konitz, then also in gymnasium in Kulm, which he graduated in 1869. In years 1869-1878 he studied medical sciences at the University of Greifswald. After studies he was running a private clinic in Kulm. There he wrote