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
Ludwik Kowalski on Physics, a textbook on Physics, and two books on Stalinism. In January 2011, Hoover Institution archived his original notebook diaries (in Polish), letters, and personal documents and photographs. His papers can be found online. His presentations can be found online. One of his memoirs is an autobiography based on a diary he kept between 1946 and 2004 (in the USSR, Poland, France, and the USA) and illustrates his evolution from one extreme to another—from devoted Stalinist to active anti-communist: Ludwik Kowalski Ludwik Kowalski (born 1931) is a Polish-American physicist, anti-communist author, and professor emeritus of Montclair State University in