Fred Spiess was a pioneering American oceanographer, naval officer, and marine engineer. A graduate of UC Berkeley (B.S. and Ph.D.) and Harvard (M.S.), he served in the U.S. Navy during World War II before joining the Scripps Institution of Oceanography in 1952. Spiess developed groundbreaking deep‑sea research tools, including the Deep Tow vehicle, and advanced the use of acoustics for seafloor mapping, helping shape modern oceanographic exploration. He served as director of Scripps’ Marine Phy...