Shun-ichi Iwasaki (岩崎 俊一, Iwasaki Shun’ichi; 3 August 1926 – 25 July 2025) was a Japanese engineer. He was professor at Tohoku University and then became president and of Tohoku Institute of Technology. He was also a professor at Lanzhou University (China). Iwasaki's pioneering work on perpendicular magnetic recording has been integral to the development of modern hard disk drives.
Source: “Shun-ichi Iwasaki”, English Wikipedia (CC BY-SA 4.0), excerpt