Louis-Christophe Zaleski-Zamenhof Esperanto on behalf of the Zamenhof family, Louis-Christophe Zaleski-Zamenhof has nevertheless been disinclined to assume a leading role in the Esperanto movement. Though he had no plans to write an autobiography, Polish journalist Roman Dobrzyński persuaded him to participate in a series of conversations over a ten-year period, which resulted in "La Zamenhof-strato" ("Zamenhof Street", 2003), a book detailing his life during the Nazi occupation of Poland, including his experiences in the Warsaw Ghetto and the Polish Resistance. Beyond an account of his own life, the book also relates the philosophy, history and tribulations of the Esperanto movement pioneered by
Ludwik Krzywicki Ludwik Krzywicki Ludwik Krzywicki (21 August 1859 – 10 June 1941) was a Polish anthropologist, economist and sociologist. One of the early champions of sociology in Poland, he approached historical materialism from a sociological viewpoint. From 1919 to 1936 he was a professor at the University of Warsaw. Ludwik Krzywicki was born at Płock in 1859 into an aristocratic but impoverished family. From an early age he showed an interest in psychology, philosophy and natural sciences, and studied the works of Darwin, Taine, Ribot and Comte. Krzywicki studied mathematics at the University of Warsaw in Congress Poland. After obtaining his