Comparison between Esperanto and Ido Comparison between Esperanto and Ido Ido, like Esperanto, is a constructed international auxiliary language. L. L. Zamenhof published his constructed language under the pseudonym Dr Esperanto in 1887. It immediately became popular, but soon people were making suggestions as to how they thought it might be improved. Zamenhof responded by making a list of possible changes to Esperanto and in 1894 put them before the Esperanto community. If accepted they would create what Dr Zamenhof called "a Reformed Esperanto". This proposed reformed Esperanto is sometimes referred to as Esperanto 1894. However, when the Esperanto community was invited to vote on
Ludwik Rydygier Ludwik Rydygier Ludwik Rydygier (German: Ludwig Anton Rydygier von Ruediger; 21 August 1850 – 25 June 1920) was a German-Polish surgeon and professor of medicine. Born in Dossoczyn (today Dusocin) near Graudenz (Grudziądz), at the time part of the Province of Prussia after partitioning of Poland. Since childhood he accented his Polish origin. Between 1859 and 1861 he was learning in gymnasium in Konitz, then also in gymnasium in Kulm, which he graduated in 1869. In years 1869-1878 he studied medical sciences at the University of Greifswald. After studies he was running a private clinic in Kulm. There he wrote