Mark Zamenhof Mark Zamenhof Mark Zamenhof (was born January 27, 1837 in Suwałki, died November 29, 1907 in Warsaw) is Esperanto form of Markus Fabianoviĉ Samenhof, "Christian" or goja name of Mordeĥaj Zamenhof, son of Fabian Zamenhof and father of L. L. Zamenhof (the creator of Esperanto); teacher of languages French and German. Knight of many orders. Descriptive analysis of the official documents allowed to ascertain that Mordka Zamenhof officially altered his name in Marek and postmortem the name of his father Fajwel to Fabian, what officially was lodged April 20, 1871, marginally of the earlier birth-certificate of Fejgla. Some unknown facts
Ludwik Krzywicki in the organization and management of scientific bodies. He served as vice-director of the Central Statistical Office, taught at the University of Warsaw (1919–36) and other institutions of higher education, and directed the Socio-Economic Institute. During World War II he was injured during the defence of Warsaw in September 1939, and the bomb that destroyed his apartment also caused the loss of most of his papers and manuscripts. His working conditions worsened and he died of heart disease in 1941. Ludwik Krzywicki Ludwik Krzywicki (21 August 1859 – 10 June 1941) was a Polish anthropologist, economist and sociologist. One of