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 Rajchman post-Stalinist period began in 1956. From then on Rajchman went fairly often to Poland, notably to visit his sister who had been dismissed by the authorities from her academic functions. His last visit was to Warsaw in 1963, to visit the public health institute he had founded in 1918. Rajchman died in 1965 due to complications of Parkinson's Disease. Ludwik Rajchman Ludwik Witold Rajchman (1 November 1881 – 13 July 1965) was a Polish physician and bacteriologist. He is regarded as the founder of UNICEF, and served as its first Chairman from 1946 to 1950. He was born to Aleksander