L. L. Zamenhof Lodwick, who in 1652 had published an early conlang proposal. When his brother Leon became a doctor and started signing his name "Dr L. Zamenhof", Zamenhof reclaimed his birth name "Lazar" and from 1901 signed his name "Dr L. L. Zamenhof" to avoid confusion with his brother. The two L's do not seem to have specifically represented either name, and the order "Ludwik Lazar" is a modern convention. In 1905 Zamenhof received the Légion d'honneur for creating Esperanto. In 1910, Zamenhof was nominated for the Nobel Peace Prize, by four British members of parliament (including James O'Grady, Philip Snowden) and
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