Ian Jackson

Esperantist

American playwright

Finnish Esperantist, former General Director of the World Esperanto Association

(1944-1990)

Community manager, writer, musician and software developer

South African entrepreneur; second self-funded visitor to the International Space Station

An open source Software Engineer

American computer scientist

Debian hacker, intellectual property researcher, activist and author

Software programmer

German computer programmer

American computer scientist, open source developer, entrepreneur

American computer scientist

Italian computer programmer

American programmer; Free Software Activist; Hacker; Poker Player

Programmer and major contributor to the Linux project

Bulgarian Esperantist

Polish radiojournalist and esperantist

French Esperantist

Canadian Esperantist

Croatian esperantist

Finnish Esperantist

Iranian Esperantist

Argentinian esperantist

French esperantist

French Esperantist

Swiss Esperantist

Germana instruisto kaj esperantisto

Canadian Esperantist

Swiss esperantist

Spanish esperantist

Dutch Esperantist and programmer

German esperantist

Russian Esperantist

Russian esperantist

Bosnian esperantist

Lithuanian esperantist

Japanese Esperantist

Law professor from Yugoslavia

Venezuelan esperantist

Dutch Esperantist

Polish esperantist

German physician and Esperantist

Britischer Sprachlehrer und Generalsekretär der Internacia Esperanto-Ligo

Hungarian Esperantist