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 Chałubiński where he was the first Pole to climb the Großglockner and Aletschhorn. Ludwik Chałubiński Ludwik Chałubiński (2 August 1860 in Warsaw – 17 April 1933 in Zakopane) was a Polish Alpinist, chemician and engineer. Son of Tytus Chałubiński, Ludwik started climbing the Tatras already at the age of 14, initially with his father and then with his friends. In 1877 together with guides Wojciech Roj and Maciej Sieczka he made the first ascent of the Mięguszowiecki Szczyt Wielki. He was also the first to reach the summit of Młynarz (1885), the second to reach Baranie Rogi (1884) and the third