Lawrence "Haz" O. Brase Jr., age 69, died on 15 September 2025.

In 1977, Brase graduated from St. Louis University (Parks College) with a B.S. in Aerospace Engineering. He received an M.S. in Aerospace Engineering in 1985, and a Master’s in Engineering Management from Washington University in St. Louis in 1997.

Brase spent 47 at McDonnell Douglas/Boeing, earning the esteemed position of Senior Technical Fellow. He began his career as a structural dynamicist on the F/A-18 A/B program. He was a flutter/aeroelasticity expert who worked in structural dynamics and loads for many years. Over the course of his career Brase worked on numerous aerospace vehicles, from concept through flight test on major production, advanced design, and proprietary programs – this included the NASA space shuttle replacement. As Boeing Technical Fellow, he was instrumental in resolving many complex engineering problems. His career took him across the globe from Australia to England and many places in between to work on various programs.

Brase mentored many engineers and students through programs such as Engineers Week and FIRST Robotics. He was a staunch supporter of the Academy of Mechanical and Aerospace Engineers for the Missouri University of Science & Technology as well as AIAA. He was recognized by AIAA with a Special Service Citation and a Sustained Service Award for his work as a St. Louis Section member and AIAA Region V Director. He also participated as a member of AIAA’s Corporate Member Committee, the Advanced Air Mobility Task Force, and especially the Honors and Awards Committee.

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