Louis-Christophe Zaleski-Zamenhof his grandfather, and speculates as to the planned language's future prospects. The book has now been published in Polish, Esperanto, Lithuanian, Czech, Japanese, Portuguese, Slovakian, French and Korean. Louis-Christophe Zaleski-Zamenhof Louis-Christophe Zaleski-Zamenhof (born Ludwik Krzysztof Zamenhof, 23 January 1925) is a civil and marine engineer, specializing in the design of structural steel and concrete construction. He is a grandson of the Polish-Jewish L. L. Zamenhof, the originator of the international auxiliary language Esperanto. Since the 1960s he has lived in France. He was born in Warsaw. After his father Adam Zamenhof was arrested and shot to death by the Nazis
Comparison between Ido and Interlingua Comparison between Ido and Interlingua Ido and Interlingua are two constructed languages created in the 20th century. Both have had some measure of success, but Interlingua has enjoyed greater diffusion and acceptance by public and private institutions—it is taught in many high schools and universities, for example. Ido is what is called "schematic" (easier to learn for speakers of very different languages), whereas Interlingua is what is called "naturalistic" (easier to understand for speakers of related languages). While both languages have a majority of Latin/Romance words in their lexicons, Ido has a somewhat larger number of Germanic and Slavic words,