An Evidentiary and Epistemic Shift
World War II dashed the hopes and dreams of many, among them Richard Field. As President of the American Geophysical Union, Field was to host the International Geological Congress when it met in Washington, D.C. at the end of the summer of 1939, an event Field was greatly anticipating. Scientists were expected from around the globe, and the permanence —or nonpermanence —of ocean basins was high on Field’s list of topics for discussion. But as the meeting was about to begin, Adolf Hitler’s armies invaded Poland; many delegates turned around mid-voyage, and others who had already arrived in Washington quickly returned home. The following year William Bowie died; two years later Charles Schuchert died at the age of eighty-four, and Field was involved in a near-fatal car crash which effectively ended his scientific career. Bowie’s and Field’s scientific goals would be realized, however, albeit not by them. Together, they had assembled an advisory committee for gravity studies that included five subsections —navigation, geophysics, tectonics, oceanology [sic], and marine microbiology—with prominent members from acaclemia, and industry in the United States and abroad and from the U.S. Navy. Their ambitions went beyond gravity: Bowie and Field hoped to foster a global science of geophysics and oceanography to explore the three-fifths of the earth that scientists had scarcely visited by enlisting the material and financial support of the U.S. Navy and other navies. The U.S. Navy, for its part, was making plans to enlist geophysicists, both figuratively and literally. When war broke out, Harry Hess joined the naval reserve, as did many other young and aspiring geophysicists and oceanographers. In 1941, Hess was called to active duty and became the captain of an assault transport, the USS Cape Johnson. Among the ship’s tasks was the echo sounding of the Pacific basin; Hess subsequently became famous for the discovery of flat-topped sea-mounts, which he named guyots after the first professor of geology at Princeton, Arnold Guyot. I less published this discovery, but much geophysical work done during the war, and after, was classified.