L. L. Zamenhof and support each other ..." The Hebrew Bible is among the many works that Zamenhof translated into Esperanto. Zamenhof died in Warsaw on 14 April 1917, possibly of heart failure, and was buried at the Okopowa Street Jewish Cemetery. The farewell speech was delivered by the chief rabbi and preacher of the Great Synagogue in Warsaw, Samuel Abraham Poznański, who said: "There will be a time where the Polish soil and nation will understand what fame gave this great son of God to his homeland." Besides his linguistic work, Zamenhof published a religious philosophy he called "Homaranismo" (the term in
Ludwik Birkenmajer of scholars. He was married Zofia (Sophie), the daughter of Franciszek Karliński, the professor of astronomy in the Jagiellonian University, and inherited his library embracing mostly the books on mathematics and physics. They had three sons: Aleksander Ludwik (historian of culture and exact sciences, and bibliologist), Józef (poet, interpreter and literature historian), and Wincenty (Polish philologist, teacher and renown Tatra Mountains-climber). His grandson is Krzysztof Birkenmajer (professor of geology, member of the Polish Academy of Sciences). In 2011 the Institute for the History of Science of the Polish Academy of Sciences received the name of father and son: Ludwik &