Francesco Alberoni is known worldwide for his studies of collective movements and feelings of love. His books have been translated into more than twenty languages. He is Professor of Sociology at the University of San Pio V Rome. He is a columnist for the Corriere della Sera and President of Centro Sperimentale di cinematography. Among his most important works on collective movements and institutions include Genesis (1989) and the classic Infatuation and Love (1979), Friendship (1984) Eroticism (1986) I love you (1996).