She went on to organize Summer Schools at which Steiner gave important lectures, and was secretary for the World Conference on Spiritual Science in London in 1928.
At 19, she left home for a course of study in Vienna, which led not only to a fine command of the German language and development of her musical skills but also placed her in a kind of artistic-aesthetic inner crisis.
She thereupon took part in the conference "Spiritual Values in Education" in Oxford[3] that August, where she met Rudolf Steiner personally for the first time.
Dunlop in the preparation of the subsequent Summer School in Penmaenmawr the following year, where a further conversation with Rudolf Steiner took place in which he recommended to her the new techniques in painting that had been developed under his guidance.
This summer school, devoted to the theme "The Evolution of Consciousness" was felt by Steiner to be a milestone in the development of the anthroposophical movement.
After his death, she maintained intimate friendships with her half-sister, Marna Pease, Walter Johannes Stein and particularly Eugen Kolisko, whom she helped to build up the School for Spiritual Science, wrote numerous articles for their magazine "The Modern Mystic", and wrote down the biographical notes Kolisko dictated to her.
In the 1940s she led a painting school together with Maria Schindler as well as working with her on the book Pure Colour (1946), leading to large public exhibitions.