L. L. Zamenhof in Poland, the United Kingdom, France, Hungary, the Czech Republic, Spain (mostly in Catalonia), Italy, Israel, Belgium and Brazil. There are Zamenhof Hills in Hungary and Brazil, and a Zamenhof Island in the Danube. In some Israeli cities, street signs identify Esperanto's creator and give his birth and death dates, but refer to him solely by his Jewish name Eliezer (a variant of which, El'azar, is the origin of Lazarus). Zamenhof is honored as a deity by the Japanese religion Oomoto, which encourages the use of Esperanto among its followers. Also, a genus of lichen has been named "Zamenhofia" in
Ludwik Rajchman Ludwik Rajchman Ludwik Witold Rajchman (1 November 1881 – 13 July 1965) was a Polish physician and bacteriologist. He is regarded as the founder of UNICEF, and served as its first Chairman from 1946 to 1950. He was born to Aleksander Rajchman, the creator and first director of the Warsaw Philharmonic, and Melania Hirszfeld, a socialist and women's rights activist. He was from a family of Christianized Polish Jews. While the parents were agnostic, Ludwik was baptized at birth. He is the brother of Aleksander Rajchman, a prominent Polish mathematician and of Helena Radlinska, a Polish sociologist and he is