1462 Zamenhof (). According to the surveys carried out by the Japanese Akari satellite and the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, "Zamenhof" measures between 25.91 and 27.645 kilometers in diameter and its surface has an albedo between 0.087 and 0.121. The "Collaborative Asteroid Lightcurve Link" derives an albedo of 0.0891 and a diameter of 25.62 kilometers based on an absolute magnitude of 11.2. This minor planet was named after L. L. Zamenhof (1859–1917), a Polish-Jewish ophthalmologist and creator of Esperanto, a constructed international language. This asteroid and 1421 Esperanto are considered to be the most remote Zamenhof-Esperanto objects (a
Ludwik Birkenmajer w przekładzie polskim" (1920) · Mikołaj Kopernik, "O obrotach ciał niebieskich i inne pisma" (2004) · Andrzej Śródka, "Uczeni polscy XIX-XX stulecia". Warszawa 1994, vol. I, p. 155-157 . Paweł Tarasiewicz, Zbigniew Pańpuch, "Birkenmajer Ludwik Antoni", "Powszechna encyklopedia filozofii" vol. I, Lublin 2000 · Władysław Horbacki, "Ludwik Antoni Birkenmajer (1855-1929)". Łódź 1930 Ludwik Birkenmajer Ludwik Antoni Birkenmajer (18 May 1855 - 20 November 1929), Polish historian of science, physicist, astronomer, professor of the Jagiellonian University. Descended from the German family settled in Galicia (Southern Poland) during the time of the Napoleon wars, later a part of the Austrian Habsburg Empire.