Born in 1955, Guido Barbujani is a geneticist and writer. He deals with the study of human biodiversity between modern and ancient populations. Currently Professor of Genetics at the University of Ferrara and collaborator of Il Sole 24 ORE, he worked at Stony Brook University in Stony Brook (New York), the University of London, the University of Padua and the University of Bologna. In addition to scientific articles, he has published novels with Mondadori, Bompiani, Einaudi and Laterza.