Zamenhof Day Zamenhof Day Zamenhof Day (), also called Esperanto Book Day, is celebrated on 15 December, the birthday of Esperanto creator L. L. Zamenhof. It is the most widely celebrated day in Esperanto culture. On this day, Esperantists hold information sessions and cultural gatherings to promote literature in Esperanto. The history of celebrating Esperanto on Zamenhof's birthday can be traced back to 17 December 1878, when at a birthday party for his 19th birthday he presented to his friends his "Lingwe uniwersala", the first version of his international language. By 1887, this language had evolved into what is now recognized as
Ludwik Kowalski Ludwik Kowalski Ludwik Kowalski (born 1931) is a Polish-American physicist, anti-communist author, and professor emeritus of Montclair State University in Montclair, New Jersey. Kowalski was born in Poland. His parents, members of the Polish Communist Party (the precursor of Polish United Workers' Party), decided to emigrate to the Soviet Union in 1932. In Moscow, they continued in their careers as an engineer and nurse. His father was arrested in the night during the Great Purge in 1938 as an "enemy of the people," never to be seen again by his family. Kowalski and his mother lost their home and lived