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 Silberstein structures ("struts", "ropes", or "membranes") that are responsible for holding masses against the attractive force of gravity in a static configuration. According to Martin Claussen, Ludwik Silberstein initiated a line of thought involving eddy currents in the atmosphere, or fluids generally. He says that Silberstein anticipated foundational work by Vilhelm Bjerknes (1862 – 1951). Ludwik Silberstein Ludwik Silberstein (1872 – 1948) was a Polish-American physicist who helped make special relativity and general relativity staples of university coursework. His textbook "The Theory of Relativity" was published by Macmillan in 1914 with a second edition, expanded to include general relativity, in 1924.