was a Japanese geophysicist. He studied geomagnetism. He won the Gold Medal of the Royal Astronomical Society in 1987. Mount Nagata is named after him. References 1913 births 1991 deaths People from Aichi Prefecture Explorers of Antarctica 20th-century Japanese astronomers Geophysicists Academic staff of the University of Tokyo University of Tokyo alumni Recipients of the Gold Medal of the Royal Astronomical Society Recipients of the Order of Culture Foreign associates of the National Academy of Sciences Members of the Japan Academy