How did Henry Gantt impact the Program Evaluation and Review Technique (PERT)? He invented a version of the chart which was modernized, and in that way helped create it. He was the one who developed it as a method to manage information and schedules. He had no impact on designing the PERT, as he mostly focused on total quality management. He was part of the team that helped invent it, but the name was ultimately given based on the lead researcher Thomas Pert