Roger Boisjoly

Roger Boisjoly

Roger Mark Boisjoly (April 25, 1938 – January 6, 2012) was an American mechanical engineer, fluid dynamicist, and an aerodynamicist who worked for Morton Thiokol, the manufacturer of the solid rocket boosters (SRBs) for the Space Shuttle program. Prior to his employment at Thiokol, Boisjoly worked for companies in California on lunar module life-support systems and the moon vehicle. He is best known for having raised objections to the launch of the Space Shuttle Challenger the day before the loss of the spacecraft and its crew.