Foundations of physics in Milan, Padua and Paris. Newtonian trajectories from celestial mechanics to atomic physics
This paper is written, in a very informal and colloquial style, on the occasion of the seventieth birthday of Antonio Giorgilli.The aim is to describe how his first scientific works were actually conceived within a group that happened to be formed in 33 14.50 r24 the years seventies with an ambitious program on the foundations of physics.Namely, to