National Security Agency / Central Intelligence / Central Intelligence Agency / National Aeronautics and Space Administration / Guild of America / KGB / /
Person
Carl Sagan / X. Arthur Registered / Columbarti / Michael Crichton / Stephen X. Arthur / Walker / /
Position
guard / WALKER / brain researcher / guard and the Physicist / astronomer / prominent PHYSICIST / Director a videotape / scientist / biologist / interpreter / Physicist / coast guard officer / technical writer / Director / Writer / assistant / /