Brown, Harold; scientist, educator, corporate director, consultant, former secretary of defense; b. N.Y.C., Sept. 10, 1927; research physicist.

Harold Brown (born September 19, 1927) is an American scientist who served as U.S. Secretary of Defense from 1977 to 1981 in the cabinet of President Jimmy Carter. He had previously served in the John F. Kennedy and Lyndon Johnson administrations as Director of Defense Research and Engineering and Secretary of the Air Force.

Wikipedia: https://en.wikipedia.org/wiki/Harold_Brown_(Secretary_of_Defense)