Name Alf Lysholm | ||
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Alf James Rudolf Lysholm (born 14 December 1893, died 20 February 1973) was a Swedish engineer.

Career
Lysholm worked for the Ljungstrom steam turbine company. He is noted for the development of the rotary screw compressor and the hydraulic torque converter.
References
Alf Lysholm Wikipedia(Text) CC BY-SA