Allan J. McDonald
Allan James McDonald (July 9, 1937 – March 6, 2021) was an American engineer, aerospace consultant and author.[1] He was the director of the Space Shuttle Solid Rocket Motor Project for Morton-Thiokol.
Allan J. McDonald | |
|---|---|
 Allan J. McDonald in 2012 | |
| Born | June 9, 1937 Cody, Wyoming, US |
| Died | March 6, 2021 (aged 83) |
| Nationality | American |
| Alma mater | Montana State University University of Utah |
In January 1986, he refused to sign off on a launch of the Space Shuttle Challenger which broke apart 73 seconds into flight.[2]
McDonald died in Ogden, Utah at the age of 83 on March 6, 2021.[3] The cause of death was a cerebral hemorrhage caused by a fall.[4]
References
- Kandil, Caitlin Yoshiko (January 31, 2016). "Engineer who refused to OK Challenger launch report donates papers to Chapman University". Los Angeles Times. Retrieved March 8, 2021.
- "Engineer who opposed Challenger launch offers personal look at tragedy". NASA. October 5, 2012. Archived from the original on October 28, 2021. Retrieved March 8, 2012.
- Risen, Clay (March 9, 2021). "Allan McDonald dies at 83; tried to stop the Challenger launch". The New York Times. Retrieved March 9, 2021.
- Berkes, Howard (March 7, 2021). "Remembering Allan McDonald: he refused to approve Challenger launch, exposed cover-up". NPR. Retrieved March 8, 2021.
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