How are todays hearts and minds programs linked to a late-19th century definition of human factors as peoples moral and mental deficits? What do Heinrichs unsafe acts from the 1930s have in common with the Swiss cheese model of the early 1990s? Why was the reinvention of human factors in the 1940s such an important event in the development of safety thinking? What makes many of our current systems so complex and impervious to Tayloristic safety interventions? Foundations of Safety Science cov...