Edward Wegman

Edward Wegman

​Edward J. Wegman


  • Ph.D., Mathematics, University of Iowa (1968).
  • M.S., Mathematics, University of Iowa (1967). 
  • B.S., Mathematics, St. Louis University (1965).

Source: [1], [2]


Edward Wegman is a statistics professor at George Mason University, and past chair of the National Research Council’s Committee on Applied and Theoretical Statistics. He is also a Fellow of the American Statistical Association and a Senior Member of the IEEE.

Wegman contributed to the 2006 Committee on Energy and Commerce Report investigation inquiring into the Michael Mann's Hockey stick graph, in what became known as the “Wegman Report.” Wegman received criticism on more than one occasion for allegedly plagiarizing sections of the report. [3]

Wegman has been a program chair of the Interface Foundation of North America, Inc., which is the host organization for the Symposia on the Interface of Computing Science and Statistics. He was once a Senior Member of Institute of Electrical and Electronics Engineers (IEEE). [4]

Stance on Climate Change

“We were not asked to assess the reality of global warming and indeed this is not an area of our expertise. We do not assume any position with respect to global warming except to note in our report that the instrumented record of global average temperature has risen since 1850 according to the MBH 99 chart by about 1.2º centigrade. [5]

Key Quotes

“Overall, our committee believes that Dr. Mann’s assessments that the decade of the 1990s was the hottest decade of the millennium and that 1998 was the hottest year of the millennium cannot be supported by his analysis.” [6]

Key Deeds

July 27, 2006

Testified at a hearing on “Questions Surrounding the 'Hockey Stick' Temperature Studies: Implications for Climate Change Assessments - Part II.[7]

July 19, 2006

Testified at a hearing of the House Committee on Energy and Commerce (Subcommittee on Oversight and Investigations) where he presented his findings from the investigation into the hockey stick published by Michael Mann. [9]

Wegman notes (PDF) that “We were not asked to assess the reality of global warming and indeed this is not an area of our expertise.”

July 14, 2006

The Wegman Report, officially titled the “Ad Hoc Committee Report On the 'Hockey Stick' Global Climate Reconstruction” was released.

It was commissioned by Congress as an investigation into the “hockey stick” graph published by Michael Mann and used by the Intergovernmental Panel on Climate Change (IPCC) prominently to illustrate the reality of climate change. The Wegman report was highly critical of Mann's graph.

Wegman was later accused of plagiarizing sections of the report, largely from one of the graph's original authors, Raymond Brandley.

Although the George Mason University is investigating the report, they have not yet acted on the charges. Nature recently questioned why George Mason University has taken over fourteen months in their review. 

A report by John Mashey found Wegman's report to be guilty of falsifications, misrepresentation and fabrications that could give rise to a charge of academic misconduct. When Wegman tried to publish the report in the peer-reviewed journal of Computational Data and Statistics Analysis (CSDA), it was rejected due to possible plagiarism from Wikipedia and textbooks. [8]



Wegman has published numerous articles in peer-reviewed journals in the area of statistics. According to a search of Google Scholar, he has not published any articles in peer-reviewed journals on the subject of climate.

  • “Ad Hoc Committee Report On the 'Hockey Stick' Global Climate Reconstruction” (PDF, July 2006). Authors include Edward J. Wegman, David W. Scott, and Yasmin H. Said, with contributions from John T. Rigsby, III, and Denise M. Reeves.

Related DeSmogBlog Posts


  1. Edward Wegman,” George Mason University. Accessed February, 2012.

  2. Edward J. Wegman,” Statistics at George Mason University. Archived December 27, 2008.

  3. Dan Vergano. “Experts claim 2006 climate report plagiarized,” USA Today, November 22, 2010. Archived February 23, 2012, with WebCite.

  4. A Brief History of the Interface Symposia,” Interface. Accessed February, 2012.

  5. “Report on the 'Hockey Stick' Global Climate Reconstruction” (PDF). Testimony of Edward J. Wegman. Archived February 28, 2008, from the Committee on Energy and Commerce website.

  6. “Report Raises New Questions About Climate Change Assessments” (PDF Press Release). U.S. House Committee on Energy & Commerce press release.

  7. Summary of Hearings on Climate Change (12-8-06),” American Geosciences Institute Government Affairs Program. Accessed February, 2012.

  8. John Mashey. “John Mashey on Strange Scholarship in the Wegman Report,” Deep Climate, September 26, 2010.

  9. Hearing: Questions Surrounding the 'Hockey Stick' Temperature Studies: Implications for Climate Change Assessments,” Committee on Energy and Commerce. Archived July 30, 2008.

  10. Edward Wegman,” Wikipedia Entry.

  11. Edward Wegman,” SourceWatch Profile.