Marga Iriarte was born in Barcelona in 1956 and has lived in Galicia and Granada. She studied Social Science and Sociology in Barcelona. She has a Law degree from Barcelona University.

Eugenia Tusquets Trías de Bes was born in Barcelona and has been a painter for over thirty years, as well as cultivating many facets of writing. Her paintings have won many awards, among which is the very significant national painting award 'Bay Arts 82', for which she received first prize.

Eugènia de Pagès Bergés ist Dozentin für Geschichte der Sekundarerziehung und Beraterin für Zentren der Primär- und Sekundarerziehung als Expertein in Sachen Konzentration und Entspannung im Klassenzimmer.

Eugènia de Pagès Bergés is professor of the history of secondary school teaching and adviser to primary and secondary schools as an expert on the subjects of concentration and relaxation in the classroom.