www.assemblymag.com/articles/89810-engineer-who-warned-of-challenger-shuttle-danger-dies
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Engineer Who Warned of Challenger Shuttle Danger Dies

February 17, 2012

NEPHI, UT—Roger Boisjoly, the engineer who warned about a problem with the space shuttle Challenger’s solid rocket boosters before the disastrous launch in July 1985, died last month at age 73. MORE