Former Defense Secretary Ashton Carter, 68, a Rhodes scholar and theoretical physicist who helmed the Pentagon between 2015 and 2017, died of a heart attack on Oct. 24 at his home in Boston. At the time of his death, he was director of the Belfer Center for Science and International Affairs at Harvard University’s John F. Kennedy School of Government. He also served as a board member at General Electric [GE], MITRE, and MIT's Lincoln Laboratories. As the Pentagon's acquisition…
