1899 US engineer and management consultant Henry Gantt develops the Gantt chart to illustrate a project schedule.
1970s Data-flow diagrams are developed to allow structured analysis of how data moves from one process to another.
1979 Philip B. Crosby develops a quality-management maturity grid in his book Quality is Free.
1988 The Capability Maturity Model (CMM) is described by Watts S. Humphrey in an article published in the journal IEEE Software.
2003 In Business Process Management is a Team Sport, Andrew Spanyi claims that strategy should drive business process design, which, in turn, should drive organizational ...