Roger Boisjoly
Aerodynamicist and engineer, Challenger disaster
Aerodynamicist and engineer, Challenger disaster
2012
13 years ago — 74 years old
Scientists & Innovators
United States
An aerodynamicist and engineer focused on rocket propulsion and safety concerns. Worked at Morton Thiokol where contributions to the Space Shuttle program occurred, particularly regarding the Challenger disaster. Voiced concerns about the O-rings used in the solid rocket boosters prior to the Challenger launch, warning that cold temperatures could compromise their integrity. After the disaster, provided testimony before the Rogers Commission to discuss the engineering decisions and safety issues related to the launch, emphasizing the need for better safety practices in aerospace engineering.
Testified before the Rogers Commission
Raised concerns about O-rings
Worked at Morton Thiokol
Born in 1917, a prominent jazz singer emerged, recognized for exceptional vocal skills and improvisational ability. Achievements included collaborations with notable musicians such as Duke Ellington and Louis Armstrong. Fitzgerald's discography features iconic albums like 'Ella Fitzgerald Sings the Duke Ellington Songbook' and 'Ella and Louis'. Through a prolific career, she received numerous accolades, including 14 Grammy Awards and the Presidential Medal of Freedom.
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