Purpose – Aims to demonstrate how a foremost “Renaissance man”, Leonardo da Vinci, an artist who also fathered inventions by the score, was destined to have his conceptions remain largely either on paper or in his head. Design/methodology/approach – Describes the creative work of a major...

Purpose – The purpose of this paper is to demonstrate how the USA can maintain a position of leadership in a world of growing competition and constraints. Design/methodology/approach – The paper points out elements of both strength and correctable weakness of the USA in the foreseeable...