Matches in DBpedia 2014 for { ?s ?p William R. Lucas (born March 1, 1922) was the fourth Director of the NASA Marshall Space Flight Center. He served as director from June 15, 1974 to July 3, 1986; when he retired as a result of the Challenger tragedy.. }
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- William_R._Lucas abstract "William R. Lucas (born March 1, 1922) was the fourth Director of the NASA Marshall Space Flight Center. He served as director from June 15, 1974 to July 3, 1986; when he retired as a result of the Challenger tragedy.".
- William_R._Lucas comment "William R. Lucas (born March 1, 1922) was the fourth Director of the NASA Marshall Space Flight Center. He served as director from June 15, 1974 to July 3, 1986; when he retired as a result of the Challenger tragedy.".