Early Life and Education Jacqueline Stieger was born in Wimbledon, London, in 1936, to Trudy and Helmuth John (“Mudi”) Stieger—a Swiss mother and father who were attending university at the time. Her father, an aeronautical engineer, pioneered the monospar wing design, a revolutionary aircraft innovation that dramatically reduced drag. She had a sister, Marion. The family swiftly relocated to the East Riding of Yorkshire, where her fa…