Margaret W. ‘Hap’ Brennecke

A native of Emaus, Pennsylvania, Margaret W. ‘Hap’ Brennecke was the first female welding engineer to work in the Materials and Processes Laboratory at NASA’s Marshall Space Flight Center. A true trailblazer in the field of aluminum alloys – a skill set critical to the success of the Apollo program – Brennecke spent her long career building large s

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