His best-known work, and the only one translated into English is titled Cycles of Becoming.
He founded the Network for Humanistic Astrology which is based in France, but has chapters all over Europe including Belgium, Switzerland and Spain. This network helped to spread his and Dane Rudhyar’s work across Europe.
Sources
Nicholas Campion, Astrology History and Apocalypse, Centre For Psychological Astrology Press, London, England, 2000, ISBN 1-900869-15-4