Stefanides, P. . Panagiotis Chr.Stefanides Invited to 4th TECHNIUM International Conference - Recognition of Career: The Generator Polyhedron by Panagiotis Stefanides, Proposed Form of “the Other Genus-Genus of the soul” in Plato’s Epinomis, of the “soul of the world” in Timaeus and of the Republic’s Planetary System Structure. Technium 2020, 2, 1-16.