L. L. Zamenhof L. L. Zamenhof Ludwik Lejzer Zamenhof (; , ; – ), credited as L. L. Zamenhof and sometimes as the pseudonymous Dr. Esperanto, was a Polish-Jewish ophthalmologist and the creator of Esperanto, the most successful constructed language in the world. He grew up fascinated by the idea of a world without war and believed that this could happen with the help of a new international auxiliary language, which he first developed in 1873 while still in school. Zamenhof was born on 15 December (3 December OS) 1859, the son of Markus Zamenhof (27 January 1837 - 29 November 1907) and
Ludwik Maciej Ludwik Maciej Ludwik Maciej (May 16, 1915 – March 12, 2007) was a Polish military pilot, who participated in World War II. Son of Jan and Anna (née Donocik), Ludwik Maciej graduated from Primary School in his hometown of Dziedzice and continued his education in a Grammar School in Bielsko (presently Nicolas Copernicus High School in Bielsko-Biała). During his school years he played football for 'Grażyna', which was part of the 'Sokół' ("Falcon") Polish Gymnastic Society. Having voluntarily joined the military forces in 1935, he took his military oath and after becoming a qualified pilot, he joined the 2nd Air