John Goodenough, one of the inventors of the lithium ion battery, also kept working this long; just passed away a month ago: https://en.wikipedia.org/wiki/John_

John Goodenough, one of the inventors of the lithium ion battery, also kept working this long; just passed away a month ago: https://en.wikipedia.org/wiki/John_B._Goodenough https://en.wikipedia.org/wiki/John_B._Goodenough