Category
page 1Idists

Wilhelm Ostwald
Baltic German chemist (1853–1932)
Louis Couturat
French logician, mathematician, philosopher and linguist (1868–1914)
Otto Jespersen
Danish linguist (1860–1943)

Louis de Beaufront
influence in the development of Ido (1855-1935)
Alphonse Matejka
Swiss linguist (1902-1999)
Paul von Jankó
Hungarian musician (1856-1919)
Abram Kofman
Russian Esperantist
Georg Forchhammer
Danish physicist