The Ludwik Zamenhof Centre building of the Ludwik Zamenhof Centre as a branch of Lukasz Gornicki’s Podlaska Library in Bialystok. It is the first public library in Poland that has a collection in Esperanto and publications devoted to this language. The Library’s opening hours: Tuesday, Wednesday, Thursday: 1 p.m. – 5.30 p.m., Friday: 1 p.m. – 5 p.m. The Ludwik Zamenhof Centre The Ludwik Zamenhof Centre is a city cultural institution established in Bialystok at 19 Warszawska St. upon the motion of the President of the City. It was founded to celebrate the organization of the 94th World Congress of Esperanto that was held
Ludwik Hass to his education. He was released in 1948 and remained in the Soviet Union until he returned to Poland in 1957. On his arrival in Warsaw he astounded a welcoming delegation of students, by announcing that he was a revolutionary who wanted to overthrow the bureaucracy. He then sang "The Internationale" and gave a clenched fist salute. Ludwik Hass Ludwik Hass (1918–2008) was a Polish historian who specialised in the history of Freemasonry in Poland. Hass was born to Jewish parents in Stanisławow. He was brought up in a middle-class family which had been assimilated to polish nationalism. He attended