She researched light , darkness , colour and its application in painting and in therapy .
Liane Collot d'Herbois ( 17 December 1907 in Camelford , England -- 17 September 1999 in Driebergen , the Netherlands ) was a British painter and anthroposophical painting therapist .
Liane Collot d'Herbois researched light , darkness , colour and its application in painting and in therapy .
Liane Collot d'Herbois ( 17 December 1907 in Camelford , England -- 17 September 1999 in Driebergen , the Netherlands ) was a British painter and anthroposophical painting therapist .