Esperanto founder Ludwik Zamenhof (1859-1917).
- Categories: Science & Technology
- Location: Russia
- Event date: 03.09.1910
- Date published: 03.03.2005
- Author: RIA Novosti
- Source: Sputnik
- Credit: Sputnik
- Original: А67-21877, 6x6 film
- Media: JPEG, 2123x3000px, 1.6Mb