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Irmgard Flügge-Lotz, German-American mathematician and aerospace engineer (born 1903)

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Irmgard Flügge-Lotz
German mathematician
Irmgard Flügge-Lotz, née Lotz was a German-American mathematician and aerospace engineer. She was a pioneer in the development of the theory of discontinuous automatic control, which has found wide application in hysteresis control systems; such applications include guidance…Source: Wikipedia (CC BY-SA)