Project Management By caitlynfloyd 1917 The Gantt chart is developed 1931 Gantt chart used in Hoover Dam project 1957 The Critical Path Method (CPM) invented 1958 The Program Evaluation Review Technique (PERT) invented by US Navy 1962 Work Breakdown Structure (WBS) 1969 Project Management Institute (PMI) created 1975 PROMPTII Method 1984 Theory of Constraints 1986 Scrum 1994 First CHAOS Report Published 1997 Critical Chain Project Management (CCPM) 2001 Agile Manifesto 2006 Total Cost Management Framework