John F. Stevens (1853-1943) was named Chief Engineer in 1905. Like Wallace, he was one of the most experienced railroad builders in the United States. A decisive and strong leader, Stevens took immediate control of all aspects of the work. He saw that disease was brought under control and was largely responsible for deciding to build a lock-type canal. By the time he resigned in 1907, the project was organized, extensive surveys and studies were completed, a wide-reaching system of railroads was in place, and progress was being made all along the canal route.

Photograph from Makers of the Panama Canal, compiled and edited by F.E. Jackson, 1911