Constructed language creators

French Esperantist (1884-1914)

linguist, scholar, author and game designer (1929–2012)

Japanese writer

Slovenian politician (1809-1892)

British philosopher

Russian Esperantist (1884–1961)

Indian lyricist

linguist (1813–1886)

Belgian diplomat

Italian zoologist and evolutionary biologist (1857–1944)

Flemish philosopher (1486-1533)

French trador and inventor of Bolak

American linguist

Slovak lawyer and writer

American fugitive

British comedian (1911–2002)

British linguist and writing system inventor