William R. Lucas, Official Blamed in Challenger Tragedy, Dies at 102
William R. Lucas, who oversaw development of rockets for the National Aeronautics and Space Administration and shouldered much of the institutional blame for the catastrophic explosion that killed all seven astronauts aboard the Challenger space shuttle in 1986, died on Feb. 10 at his home in Huntsville, Ala. He was 102. His family confirmed the…