American astronomer, naval officer, oceanographer and author Matthew Fontaine Maury, who first served the United States Navy and then the Confederacy States Navy, made significant contributions in oceanography. His book Physical Geography of the Sea is counted among the first comprehensive books on oceanography. Navies and merchant marines across the world adopted his uniform system of recording oceanographic data.
Carl-Gustaf Rossby was a Swedish-born American meteorologist. He played an important role during the Second World War, organizing the training of military meteorologists. Over the course of his career, Carl-Gustaf Rossby was honored with many prestigious awards such as the Applied Meteorology Award from the American Meteorological Society in 1959.