Gantt chart

A Gantt chart showing three kinds of schedule dependencies (in red) and percent complete indications.

Henry Gantt, inventor of the Gantt chart

A Gantt chart is a type of bar chart that illustrates a project schedule, named after its inventor, Henry Gantt (1861–1919), who designed such a chart around the years 1910–1915. Modern Gantt charts also show the dependency relationships between activities and current schedule status.