Lidia Zamenhof Lidia Zamenhof Lidia Zamenhof (; 29 January 1904–1942) was a Polish writer, publisher, translator and the youngest daughter of L. L. Zamenhof, the creator of Esperanto. She was born on 29 January 1904 in Warsaw, then in partitioned Poland. She was an active promoter of Esperanto as well as of Homaranismo, a form of religious humanism first defined by her father. Around 1925 she became a member of the Bahá'í Faith. In late 1937 she went to the United States to teach that religion as well as Esperanto. In December 1938 she returned to Poland, where she continued to teach
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