L. L. Zamenhof the Yiddish form of the forename and a russified version of his surname; many later Russian language documents also include the patronymic "Markovich", as is the custom in the language. His family name is of German origin and was originally written "Samenhof"; the spelling Zamenhof reflects the romanization of the Yiddish spelling , as well as the Esperanto and Polish spellings. In his adolescence he used both the Yiddish "Leyzer" and the Russian "Lazar". While at university, Zamenhof began using the Russian name "Lyudovik" (also transcribed "Ludovic" or translated as "Ludwig") in place of "Lazar", possibly in honor of Francis
Ludwik Rajchman post-Stalinist period began in 1956. From then on Rajchman went fairly often to Poland, notably to visit his sister who had been dismissed by the authorities from her academic functions. His last visit was to Warsaw in 1963, to visit the public health institute he had founded in 1918. Rajchman died in 1965 due to complications of Parkinson's Disease. 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