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Walter S. Liggett, Jr.

After receiving his PhD from Rensselaer Polytechnic Institute in applied mathematics, Walter Liggett was employed by Raytheon, the New York City-Rand Institute, and the Tennessee Valley Authority before coming to the Statistical Engineering Division in 1979. From 2003 through his retirement in 2012 , the focus of his work has been biological measurements: mass spectral measurements of proteins, microarray measurements of gene expression, and CT scans of lung tumors. He is a member of the board of editors of the Journal of Research of the National Institute of Standards and Technology.

Technical Areas of Research and Consulting:

  • Experience in statistical applications largely in the physical sciences and engineering but also in the biological and social sciences
  • Interest in the design of effective empirical studies, particularly, in measurement methods specially developed for study purposes
  • Interest also in measurement-method descriptions that are needed to allow interpretation of databases

Professional Activities and Societies and Standards Activities:

  • American Statistical Association, Member
  • Bernoulli Society, Member
  • Institute of Mathematical Statistics, Member
  • Society for Industrial and Applied Mathematics, Member


  • Distinguished Achievement Medal from the American Statistical Association Section on Statistics and the Environment


Mathematical Statistician
Statistical Engineering Division


  • B.S. (Physics), Rensselaer Polytechnic Institute, 1961
  • Ph.D. (Mathematics), Rensselaer Polytechnic Institute, 1967

Phone: 301-975-2839
Fax: 301-975-3144