Ralf Turtschi

Swiss archivist, historian and author

Swiss author

Swiss author and theologian

Swiss economist and author

Swiss songwriter and author

Swiss theologian and author

Swiss author

Swiss playwright and director

Swiss theatre director

Swiss economic historian, historian of modern age, social historian and author

Swiss evolutionary biologist and ecologist

Swiss director

Swiss singer, songwriter and author

Swiss author and historian

Swiss film producer and author

Swiss author