Werner Barfod was born in Kiel, Germany in 1936. He studied eurythmy at the Goetheanum in Switzerland with Lea von der Pals, and from 1969 to 2000 was the Director of the Eurythmy Academy in the Hague, and of the Netherlands Eurythmy Ensemble, after which he was the leader of the Performing Arts section of the Goetheanum for seven years.

Sally Lake-Edwards is a Steiner-Waldorf teacher at St Michael Steiner School, UK.

Dr Virginia Sease was born in Pennsylvania and earned her doctorate in German from the University of Southern California. She taught in a university and a Waldorf school in Los Angeles and served as a member of the Executive Council of the Anthroposophical Society at the Goetheanum from 1984 until her retirement in 2015.