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born 10/24/1913, died 09/26/2006

Associated with the firm network

Shannon and Wilson, Incorporated, Geotechnical and Environmental Consultants

Professional History

Civil Engineer, U.S. Army Corps of Engineers, various locations, c. 1940-1946; Partner, Shannon and Wilson, Incorporated, Civil Engineers, Seattle, WA, 1954-19??;

Shannon taught at Harvard University for one year, c. 1939;

Shannon was the founding President of the Associated Soil and Foundation Engineers, a group devoted to reducing liability claims, 1969. Founding Member, Terra Insurance, a liability insurance group for civil engineers.

Engineer of the Year, Consulting Engineers of Washington, 1975;


B.S., School of Engineering, University of Washington, Seattle, WA, c. 1936; M.S., Harvard University, Cambridge, MA, 1938;

Highest Honors, Harvard University, Cambridge, MA, 1938;


His parents were William D. and Agnes L. Shannon of Seattle, WA.

Shannon married Ellen Northrop, 08/15/1938;

Shannon and Ellen Northrup Shannon had three sons: William, Al, and Dave;

Member, Downtown Seattle Rotary Club; Member, The Boy Scouts, Seattle, WA; A William L. Shannon Endowed Fellowship was set up at the University of Washington, Seattle. William L. Shannon died of Alzheimer's Disease.

Associated Locations

  • Seattle, WA (Architect's Birth)
    Seattle, WA

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PCAD id: 3407