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Henry gantt 186 1 was born in a farmer's family in Maryland. The hardships of childhood made Gant understand the importance of diligence, thrift, introspection and struggle. 1880, when he graduated from Hopkins university with honors, he continued to study at Stevens Institute of Technology and taught there at the same time. 1884 became a mechanical engineer; 1887, Gant came to Midvale Steel Works as an assistant engineer, met Taylor, and later went to Siemund Company and Bethlehem Company with Taylor.
Since then, Gant has been working closely with Taylor to study scientific management issues until he left Bethlehem. After 1902, Gant began to work independently as a consulting engineer, teaching in Columbia, Harvard, Yale and other universities. During the First World War, Gant served as a consultant to the government and the army, and conducted in-depth research on the management of shipyards and arsenals.