In 1872 an Englishman called Edward Muybridge photographed a horse in California and thereby invented the essentials of motion picture technology. His patron wanted to know if the horse ever lifted all four hooves at once. This is the story of Muybridge and modern technology.

"Fatigue Study: The Elimination of Humanity's Greatest Unnecessary Waste: A First Step in Motion Study" by Lillian Moller Gilbreth and Frank B. Gilbreth was written in 1916, but had retained much of its relevance even over a century later. Written by a psychologist and an engineer, this helped shape people's understanding of how the human mind and motion are interconnected.