Gustau Pau is a natural therapist and has been an iridologist for more than 35 years. Since 1985, he has been Director and Chief of Studies at the Heilpraktiker Institut in Barcelo...ver maisGustau Pau is a natural therapist and has been an iridologist for more than 35 years. Since 1985, he has been Director and Chief of Studies at the Heilpraktiker Institut in Barcelona, Spain, where he teaches Iridology, Bach Flowers, Oligotherapy, Schussler Salts, and other natural therapies. He lives in Spain.ver menos