Brien Masters, Ph.D., was qualified as both a state and a Waldorf teacher and taught everything from music to math to map reading. He taught around the world and acted as a consultant to government ministries. He wrote numerous articles and several publications for use in schools. His doctoral thesis is a critical appraisal of Waldorf praxis in the light of Rudolf Steiner’s original educational ideas. Brien Masters was director of the London Waldorf Teacher Training Seminar, as well as a seminar in Gran Canaria, the Canary Islands. He died in October 2013.