Comparison between Esperanto and Ido Ido was satisfied with it. Many former Idists, such as Otto Jespersen (who created Novial) left the movement, bleeding Ido of leaders. Of all synthetic auxiliary languages, only Esperanto and Interlingua-IL de ApI gained a sizeable following and textual corpus to this day. Esperanto is based on the "Fundamento de Esperanto" by L. L. Zamenhof; whereas the grammar of Ido is explained in the "Kompleta Gramatiko Detaloza di la Linguo Internaciona Ido". Since Esperanto has proved to be a living, stable language, nowadays Esperantists are less quick to reject influences from Ido. Probably the most fundamental of these is that
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