The Ludwik Zamenhof Centre entitled Bialystok of Young Zamenhof is the main tool for promotion of the work and the person of Ludwik Zamenhof. This multimedia exhibition based on listening, video, and photographic materials provides the recipients with an attractive way to explore the past. Not only is it a presentation of historical materials, but also an attempt to recreate the atmosphere of the times when young L. Zamenhof was strolling along the streets. The permanent exhibition is used as a substantial basis for numerous scripts of educational classes for children and teenagers. Esperanto – Libraro was opened on May 12, 2010 in the
Mark Zamenhof Later he became state cencurist of the texts in the languages Hebrew and Jidda and those positions were received only by the most reliable personalities. Simultaneously that was breakthrough in the officiant hierarchy. According to Z. Weinstein Mark Zamenhof was a secret adviser . Probably Weinstein erred, because the secret adviser was very high, third rank in the officiant ranks, that matched to the rank of general in the army. Zamenhof probably had the 9th rank "title adviser", that matches to the officer rank in Polish army. Prove that the fact the reminiscences according to that Mark, with pride, carried