Louis Émile Javal of text, but make short rapid movements (saccades) intermingled with short stops (fixations). Javal's observations were characterised by a reliance on naked-eye observation of eye movement in the absence of technology. Javal's interest in strabismus was due to the disorder affecting his father and sister. Javal himself had heterochromia. At middle-age Javal developed glaucoma, and by 1900 was totally blind. He was a friend of Ludwik Łazarz Zamenhof (1859-1917), the inventor of Esperanto, and he stressed the importance of learning this language by the blind. In addition, he was involved in social reform issues that included education and circumstances surrounding
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