Dick Bruin (1953) and Attie Lichthart (1948) have been connected to Waldorf schools since the seventies, as teachers of art and art history. Both teachers have joined in the active group that has gathered for many decades yearly at Whitsun in Ulm (Germany) to study Rudolf Steiner's suggestions for arts and the use of color in education. Nowadays, Attie Lichthart is connected to the movement of Waldorf schools in Greece, and Dick Bruin is headmaster of a Waldorf school in the Netherlands. He is also teaching at the Tobias Schools of Art in the Great Britain and furthermore works as and art director at a Waldorf school in Taiwan.