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 Fleck is difficult because a collective attains over time a specific way of investigating, bringing with it a blindness to alternative ways of observing and conceptualization. Change was especially possible when members of two thought collectives met and cooperated in observing, formulating hypothesis and ideas. He strongly advocated comparative epistemology. This approach anticipated later developments in social constructionism, and especially the development of critical science and technology studies. Ludwik Fleck Ludwik Fleck (11 July 1896 – 5 June 1961) was a Polish and Israeli physician and biologist who did important work in epidemic typhus in Lwów, Poland, with Rudolf Weigl and