Natalini: How did you decide to become a mathematician? What has been the influence of your parents?
Di Nunno: Still during the last year of high-school I did not have clear ideas of what my path could be. I have always been eclectic with interests and I was attracted by very different fields and directions. Of course, I was discussing with my parents, but they have always given the same happy advice: whatever you choose, choose because you like it and you think you will be happy! So, this was it. I remember I was traveling from Milan to Paris for pleasure and, while on the train, I was...