ABSTRACT. It is definitely an arduous challenge to describe in few words a person who has been considered the greatest physicist of nineteenth century. Research focused on the complexity of the Universe, Big Bang and Black Holes Theories, on the age of the Universe, on the Chronology of the Universe, on the hypothesis of Multiverse, the study of galaxy formation and evolution, as well as the cosmological inflation. His diversified activity has contributed to the scientific disclosure of several physical and astronomic theories, which have been presented in an engaging way to the audience. The essential bibliography invites the reader to appreciate the interdisciplinary and international qualities of his collaborations opened to the possibility of existence of other Universes.