Sten Liljedahl

Writer of Esperanto literature

Influence in the development of Ido

French author

Japanese esperantist

German Esperantist

German Esperantist

Russian and Soviet writer

German esperantist

British academic, librarian, lexicographer and musician

Hungarian actor, author, novelist, poet, publisher and Esperantist

Francophone Swiss Esperantist, historian, university professor, author, journalist and peace activist

Swiss esperantist

Russian Esperantist

Austri-Hungarian otologist

Industrialist and terminologist

German priest and Esperantist

Dutch writer, linguist, and Esperantist

Swiss professor of design, decoration, and art history

British philologist and author, creator of classic fantasy works

Swedish physician