L. L. Zamenhof Esperanto, usually rendered as "humanitism" in English, sometimes rendered loosely as humanitarianism or humanism), based on the principles and teachings of Hillel the Elder. He said of Homaranismo: "It is indeed the object of my whole life. I would give up everything for it." Zamenhof came from and lived a very-much multilingual life. His name is/was variously translitterated, depending on the language: At his birth Zamenhof was given the Hebrew name "Eliezer" by his parents, the equivalent of the Latinized "Lazarus". However Zamenhof was born under Russian domination, and so his birth certificate records his name as "Leyzer Zamengov", using
Ludwik Rajchman the first cousin of Ludwik Hirszfeld, a Polish microbiologist. Ludwik Rajchman is the father of Jan A. Rajchman, a Polish computer scientist, inventor of magnetic-core memory. Rajchman grew up in Warsaw in the difficult conditions of the Russian occupation. At an early age, he and his sister Helena became keenly aware of the social injustices in their "country" (Poland did not officially exist at the time) and were involved as teenagers in teaching young workers. As an adult, he joined the Polish socialist party (PPS) and was involved in the 1905 uprising and even arrested. After several months in prison