L. L. Zamenhof
Ludwig Lazarus Zamenhof ( /ˈzɑːmɨnhɒf/; born Leyzer Leyvi Zamengov; December 15, 1859 – April 14, 1917) was a Jewish doctor, linguist, and the creator of Esperanto, the most successful constructed language designed for international communication.
Read more about L. L. Zamenhof: Cultural Background, Work For An International Language, Work On Yiddish Language and Jewish Issues, Religious Philosophy, Children, Name Discrepancy, Honours and Namesakes