A Sixth Sense

The true story of the French engineer and inventor who developed a mine detector for the US Army during WWII—and then went on to transform the oil industry.   In March 1940, with Europe at war, French army lieutenant Henri-Georges Doll came to the U.S. embassy in Paris to give a deposition. Doll was an artillery commander, a graduate of France’s  grandes écoles  of science, engineering, and service. He had been mobilized to the front at the start of the war, then quickly recalled