Bachelor of Arts, University Texas, 1950; graduate, National War College, 1972.
Commissioned ensign United States Navy, 1952, advanced through grades to admiral, 1981. Assistant naval attache Stockholm, 1965-1967. Executive assistant, senior aide to vice chief naval operations Washington, 1972-1973.
Assistant chief staff intelligence on staff Commander in chief United States Pacific Fleet, 1973-1974. Director Naval intelligence Department Navy, Washington, 1974-1976. Vice director Defense Intelligence Agency, 1976-1977.
Director National Security Agency, Fort Meade, Maryland, 1977-1981. Deputy director Central Intelligence Agency, 1981-1982. Chairman, president, chief executive officer Microelectronics and Computer Technology Corporation, Austin, Texas, 1983-1986.
Chairman board, chief executive officer Westmark Systems, Inc., 1986-1989. Private investor, since 1990. Professor, Lyndon B. Johnson Centennial chair in national policy University Texas, since 2001, interim dean Lyndon B. Johnson School Public Affairs, 2005, 2009—2010.
Chairman Federal Reserve Bank of Dallas, 1987—1990.
Married Nancy Carolyn Russo, June 14, 1958. Children: Thomas, William.