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 of Zamenhof would be bound with the dismissal of many Polishes, that happened after 1863. Then Russian authorities sacked many Polish teachers. One reckons that in 1873 the Zamenhof family abandoned Bialystok. Even so unanswered is the question about the real cause of the transfer of Zamenhofs in Warsaw, where Mark surely advanced as a teacher of the German language in the Veterinary Institute and in the actual school, being that time only one from between three (!) Hebrews, that deserved to instruct in the Warsaw state schools . Because of what the local teacher received like this important position?