Hakaru Masumoto (1895–1987) was a pioneer in metal and alloy research. He discovered numerous superior and unique alloys, and contributed to improving the performance of precision machinery. A student of Kotaro Honda, Masumoto developed a magnetic metal powder Sendust in 1936, and was the winner of the Imperial Prize of the Japan Academy in 1946.
Source: “Hakaru Masumoto”, English Wikipedia (CC BY-SA 4.0), excerpt