Zamenhof Day (but not the international English one), bore a special version of their logo (a Doodle) emblazoned with the Esperanto flag in honor of the occasion, which generated, on the 30 biggest Wikipedia languages, 1,750,000 page views on the articles "L. L. Zamenhof". 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
Ludwik Kowalski on Physics, a textbook on Physics, and two books on Stalinism. In January 2011, Hoover Institution archived his original notebook diaries (in Polish), letters, and personal documents and photographs. His papers can be found online. His presentations can be found online. One of his memoirs is an autobiography based on a diary he kept between 1946 and 2004 (in the USSR, Poland, France, and the USA) and illustrates his evolution from one extreme to another—from devoted Stalinist to active anti-communist: Ludwik Kowalski Ludwik Kowalski (born 1931) is a Polish-American physicist, anti-communist author, and professor emeritus of Montclair State University in