. "Griffin, Gerald D."@en . . "American flight director" . . "Gerald D. \"Gerry\" Griffin (born December 25, 1934) is a former NASA flight director and director of Johnson Space Center.Born in Athens, Texas, Griffin attended Texas A&M University, where he studied aeronautical engineering. He joined NASA in 1960 and became a flight controller, specializing in guidance and navigation systems. In 1967, he became a flight director."@en . . . . . "1934-12-25Z"^^ . . "1934Z"^^ . "Gerald D. Griffin"@en . .