The initial format of the chart was developed by Henry L. Gantt (1861-1919) in 1910 (see Work, Wages and Profit by H. L. Gantt, published by The Engineering Magazine, NY, 1910).
El format inicial del diagrama el va desenvolupar Henry L. Gantt (1861- 1919) l' any 1910 (veieu Work, Wages and Profit per H. L. Gantt, publicat per The Engineering Magazine, Nova York, 1910).