The document provides a history of industrial engineering and discusses its evolution. It describes how early pioneers like Charles Babbage, Frederick Taylor, and Frank Gilbreth contributed to the foundations of the field through analyzing factory operations and worker motions. It also discusses how industrial engineering draws upon various sciences and engineering principles to design integrated systems involving people, equipment, and processes. The document traces how the field has grown and diversified over time to involve a wide range of applications across many different industries.