Ido language and likewise most rejected the recommendations of the 1907 Committee composed by 12 members. Zamenhof deferred to their judgment, although doubtful. Furthermore, controversy ensued when the "Ido project" was found to have been primarily devised by Louis de Beaufront, whom Zamenhof had chosen to represent Esperanto before the Committee, as the Committee's rules dictated that the creator of a submitted language could not defend it. The Committee's language was French and not everyone could speak in French. When the president of the Committee asked who was the author of Ido's project, Couturat, Beaufront and Leau answered that they were not.
Mark Zamenhof usage of Polish national dresses. The police in the exploration suspected, that that anonymous letter was written by Zamenhof, because he led that time a concurs school for girls and already sooner had written various denunciation letters. Zamenhof indeed that time shared the possession of the school for Jewish girls. In 1866 in it were 63 pupils. Several Polish biographers write that Mark Zamenhof was teacher of the Bialystok high school (actual school). If he instructed in that high school, probably that was only for a short episode, that probably happened after the "January Uprising" (so in 1864). Prospective hire