sentences:  Following this achievement, she was promoted to team leader and built the theoretical department at the AVA by establishing her own research program and assisting other research groups.In 1932, she met Wilhelm Flügge, who was a civil engineer and privatdozent at the University of Göttingen.As they prepared to marry, Lotz's career progressed well and by the time they married in 1938 she had been appointed Head of the Department of Theoretical Aerodynamics.