Howard O. McMahon

Howard O. McMahon

Dr. Howard O. McMahon
Born	1914 September 16 Killam, Alberta
Died	1990 August 5
Education	B.S. E.E., Sc. D.
Alma mater	Massachusetts Institute of Technology 1941 University of British Columbia 1935, 1937
Employer	Arthur D. Little, Inc.
Known for	Inventor

Dr. Howard O. McMahon was Vice President and Science Director of Arthur D. Little, Inc. Dr. McMahon joined the company as a member of the Mechanical Engineering Development Group in 1943. During the following three years he was responsible for the development of an efficient rectifying column packing which bears his name.

McMahon, born in Alberta, Canada, was a naturalized citizen of the United States.

Inventions

McMahon was co-inventor of a cryogenic refrigerator operating the Gifford-McMahon thermodynamic cycle. Of Dr. McMahon's thirteen patents, the most widely known was the bubbling Christmas tree ornament developed while he was a student.

Awards

1951 Edward Longstreth Medal, Franklin Institute
1952 Frank Forrest Award, American Ceramic Society
1979 Samuel C. Collins Award, Cryogenic Engineering Conference

Biography

Dr. Howard Oldford McMahon

Publications
1951

Patents:
2,429,474 Apparatus for Determining the Vapor Content of a Gas
2,553,550 Control for Oxygen Producing Apparatus - co-inventor Samuel C. Collins
2,607,572 Packed Column for Contacting Two Fluid Phases
2,620,573 Low-Pressure Product Drying
2,662,520 Preservation and Storage of Biological Materials
2,680,352 Apparatus and Method for Pumping Liquified Gaseous Fluids

References

External links

• [1]

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