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
Ludwik Hass Ludwik Hass Ludwik Hass (1918–2008) was a Polish historian who specialised in the history of Freemasonry in Poland. Hass was born to Jewish parents in Stanisławow. He was brought up in a middle-class family which had been assimilated to polish nationalism. He attended the University of Lvov, which was then in the territory of the Polish Second Republic. While there he became a Trotskyist. Following the German-Soviet invasion of Poland in 1939 he found himself in the territory of the Soviet Union. He was arrested and sent to Vorkutlag. He attributed his survival due to being assigned office work thanks