John Bannister Goodenough was an American materials scientist, a solid-state physicist, and a Nobel laureate in chemistry. From 1986 he was a professor of Materials Science, Electrical Engineering and Mechanical Engineering, at the University of Texas at Austin. He is credited with identifying the Goodenough–Kanamori rules of the sign of the magnetic superexchange in materials, with developing materials for computer random-access magnetic memory and with inventing cathode materials for lithium-ion batteries. The Nobel Prize in Chemistry 2019, announced October 9, 2019. John B. Goodenough, M. Stanley Whittingham, and Akira Yoshino, “for the development of lithium-ion batteries”. John B. Goodenough: born 1922, Jena, Germany. M. Stanley Whittingham: born 1941, United Kingdom. Akira Yoshino: born 1948, Suita, Japan. Wiki link Wiki link Wiki link Data: the Nobel Foundation (CC0).