Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 23. Chapters: L. L. Zamenhof, Alfred Korzybski, Anna Wierzbicka, Ferdynand Antoni Ossendowski, Wolf Leslau, Michel Thomas, Lidia Zamenhof, Jan Niecis aw Baudouin de Courtenay, Aleksander Bruckner, Jerzy Kury owicz, Christoph Mrongovius, Andrzej Gawro ski, Miko aj Kruszewski, Jerzy Bartminski, Jan Czekanowski, Zdzis aw Stieber, Franciszek Indan Pykna, Samuel Linde, Uriel Weinreich, Alicja Sakaguchi, Andrzej Bogus awski, Zbigniew Go b, Jolanta Antas, Jan Bystro, Lucjan Malinowski, Jakob Monau, Jerzy Rubach, Halina Mierzejewska, Jan Miodek, Witold Ma czak, Kazimierz Rymut, Alexis Manaster Ramer, Miko aj Rudnicki, Ludwik Zabrocki, Jozef Mieses, Antoni Jozef mieszek, Roman Zawili ski, Alexander Freiman. Excerpt: Ludwig Lazarus Zamenhof (; born Leyzer Leyvi Zamengov December 15, 1859 - April 14, 1917) was the inventor of Esperanto, the most successful constructed language designed for international communication. Zamenhof was born on December 15 (December 3 OS), 1859 in the town of Bia ystok in the Russian Empire (now part of Poland). He considered his native language to be his father's Russian, but he also spoke his mother's Yiddish natively; as he grew older, he spoke more Polish, and that became the native language of his children. His father was a teacher of German, and he also spoke that language fluently, though not as comfortably as Yiddish. Later he learned French, Latin, Greek, Hebrew, and English, and had an interest in Italian, Spanish and Lithuanian. In addition to the Yiddish-speaking Jewish majority, the population of Bia ystok was made up of three other ethnic groups: Poles, Germans, and Belarusians. Zamenhof was saddened and frustrated by the many quarrels among these groups. He supposed that the main reason for the hate and prejudice lay in mutual misunderstanding, caused by the lack of one common language that wou...