Hans Wolfgang Liepmann (July 3, 1914 – June 24, 2009) was an American fluid dynamicist,[2] aerospace scientist and emeritus Theodore von Kármán Professor of Aeronautics at the California Institute of Technology.
[3] He is known for his numerous contributions in fluid mechanics covering a wide range of problem areas, such as flow instability and turbulence, gas kinetics, viscous compressible fluids and liquid helium flows.
[3] On July 31, 1939 Liepmann arrived in New York, to join Theodore von Kármán at Caltech as a Research Fellow in Aeronautics.
[3] He retired in 1985, but remained the emeritus von Kármán Professor at Caltech.
Liepmann received several awards, a selection: