Emerita Professor Flügge-Lotz (16 July 1903–22 May 1974)

Emerita Professor Flügge-Lotz (16 July 1903–22 May 1974)

Automatica, Vol. 11. Pergamon Press, 1975. Printed in Great Britain E m e r i t a Professor Flfigge-Lotz (16 July 1903-22 M a y 1974) EMERITA Profes...

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Automatica, Vol. 11. Pergamon Press, 1975. Printed in Great Britain

E m e r i t a Professor Flfigge-Lotz (16 July 1903-22 M a y 1974)

EMERITA Professor Irmgard Fliigge-Lotz, internationally

known for her theoretical studies in aerodynamics and automatic controls, died 22 May 1974 at Stanford following a lengthy illness. She was 70. A Professor of Aeronautics, Astronautics and Applied Mechanics, she taught at Stanford from 1949 until her retirement in 1968. She and her engineer husband, Emeritus Professor Wilhelm Fliigge, both remained active in research. Fliigge-Lotz received the 1970 achievement award of the Society of Women Engineers for her distinguished career in research and teaching. She was cited for her "significant contributions in the field of fluid mechanics, in particular wing theory and boundary layer theory". She was selected-to give the 1971 Von Karman Lecture by AIAA on the topic "Trends in the Field of Automatic Control in the Last Two Decades". She was the author of more than 50 scientific papers, including a 1931 computation on wing lift that was a major contribution to modern aircraft design. She was also author of two books on Discontinuous Control which include many contributions she made with her students to this important class of theoretical and practical control problems.

Born and educated in Germany, she received a Doctor of Engineering degree in 1929 from the Technical University of Hanover. She was head of the theoretical department at G6ttingen's Aerodynamics Institute in 1938 and a scientific adviser to German and French research institutes in fluid mechanics. She is survived by her husband Emeritus Professor Wilhelm Fliigge of the Department of Applied Mechanics, Stanford University. Aside from her many contributions to her two chosen fields, Irmgard will be greatly missed by her many friends and acquaintances, and especially by her many students, for her charming and effervescent good nature. She is quoted as saying her philosophy was, "I wanted a life which would never be boring. That meant a life in which always new things would occur. And it has been a life full of work." Irmgard added something of value to the lives of all who came in contact with her. Professor Fliigge has requested that any memorial donations be sent to the General Secretary's Office at Stanford. They should be made payable to Stanford University for the purpose of the Engineering Library and donors should state they are making the gift on behalf of the late Professor Fliigge-Lotz.