L. L. Zamenhof L. L. Zamenhof Ludwik Lejzer Zamenhof (; , ; – ), credited as L. L. Zamenhof and sometimes as the pseudonymous Dr. Esperanto, was a Polish-Jewish ophthalmologist and the creator of Esperanto, the most successful constructed language in the world. He grew up fascinated by the idea of a world without war and believed that this could happen with the help of a new international auxiliary language, which he first developed in 1873 while still in school. Zamenhof was born on 15 December (3 December OS) 1859, the son of Markus Zamenhof (27 January 1837 - 29 November 1907) and
Ludwik Maciej Angeles, California. Ludwik Maciej had two sons, Sylwester and Luis, neither of whom were born in Poland. Ludwik Maciej died on March 12, 2007, in Los Angeles, California, and was buried on April 10, 2007, at the cemetery at Church of the Blessed Virgin Mary. With the help of Christians in Czechowice-Dziedzice, his ashes were brought from the USA by his son and buried in Ludwik Maciej's family grave at the cemetery. Ludwik Maciej Ludwik Maciej (May 16, 1915 – March 12, 2007) was a Polish military pilot, who participated in World War II. Son of Jan and Anna (née