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 Młokosiewicz discovered and that were named after him include the Caucasian black grouse ("Tetrao mlokosiewiczi") and the golden peony ("Paeonia mlokosewitschii"). Beginning in 1889, Młokosiewicz urged the protection of the forested area at Lagodekhi; in 1912, three years after his death, the Russian viceregent in the Caucasus region declared what is now Lagodekhi Protected Areas. Ludwik Młokosiewicz Ludwik Franciszek Młokosiewicz (August 25, 1831 – 1909) was a Polish explorer, zoologist and botanist, who studied extensively in the Caucasus Mountains. He is one of the sons of Franciszek Młokosiewicz. Młokosiewicz was born in Warsaw, into a wealthy and aristocratic family. At the