www.assemblymag.com/articles/89810-engineer-who-warned-of-challenger-shuttle-danger-dies
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