Partial list of scientists opposing the alleged catastrophic climate consensus

Here:

Arthur B. Robinson, Ph.D. Chemistry, University of California, San Diego, USA
Arthur Rorsch, Ph.D. Emeritus Professor of Molecular Genetics, Leiden University, The Netherlands
Ben Herman, Ph.D. Atmospheric Sciences, University of Arizona, USA
Benny Peiser, Ph.D. Professor of Social Anthropology, Liverpool John Moores University, UK
Bjørn Lomborg, Ph.D. Political Science, University of Copenhagen, Denmark
Chris de Freitas, Ph.D. Associate Professor, Geography and Environmental Science, University of Auckland, Australia
Claude Allegre, Ph.D. Physics, University of Paris, France
Christopher Essex, Ph.D. Applied Mathematics Professor, University of Western Ontario, Canada
Christopher Landsea, Ph.D. Atmospheric Science, Colorado State University, USA
Craig D. Idso, M.S. Agronomy, Ph.D. Geography, Arizona State University, USA
David Deming, B.S. Geology, Ph.D. Geophysics, University of Utah, USA
David Evans, B.Sc. Applied Mathematics and Physics, M.S. Statistics, Ph.D. Electrical Engineering, Stanford, USA
David J. Bellamy, B.Sc. Botany, Ph.D. Ecology, Durham University, UK
David R. Legates, Ph.D. Climatology, University of Delaware, USA
Dennis Avery, M.S. Agricultural Economics, The University of Wisconsin-Madison, USA
Dennis P. Lettenmaier, Ph.D. Professor of Hydrology, University of Washington, USA
Douglas Leahey, Meteorologist, Calgary, Canada
Douglas V. Hoyt, Solar Physicist and Climatologist, Retired, Raytheon, USA
Frederick Seitz, Ph.D. Physics, Princeton University, USA
Freeman Dyson, Professor Emeritus, Physics, Princeton, USA
Gary D. Sharp, Ph.D. Marine Biology, University of California, USA
Gary Novak, M.S. Microbiology, USA
George H. Taylor, M.S. Meteorology, University of Utah, USA
George V. Chilingarian, Ph.D. Geology, University of Southern California, USA
Habibullo Abdussamatov, Ph.D. Astrophysicist, The University of Leningrad, Russia
Henrik Svensmark, Solar System Physics, Danish National Space Center, Denmark
Howard Hayden, Ph.D. Emeritus Professor of Physics, University of Connecticut, USA
Hugh W. Ellsaesser, Ph.D. Meteorology, Formerly with Lawrence Livermore National Laboratory, USA
Ian D. Clark, Professor Earth Sciences, University of Ottawa, Canada
Ian Plimer, Professor of Mining Geology, University of Adelaide, Australia
Jack Barrett, Ph.D. Physical Chemistry, Manchester, UK
James O’Brien, Ph.D. Meteorology, Texas A&M University, USA
James Spann, AMS Certified Meteorologist, USA
Ján Veizer, Professor Emeritus Earth Sciences, University of Ottawa, Canada
John J. Ray, Ph.D. Psychology, Macquarie University, Mensa, Sydney, Australia
John R. Christy, Ph.D. Atmospheric Sciences, University of Illinois, USA
Joseph Conklin, M.S. Meteorology, Rutgers University, USA
Joseph D’Aleo, M.S. Meteorology, University of Wisconsin, USA
Keith D. Hage, Ph.D. Emeritus Professor of Meteorology, University of Alberta, Canada
Luboš Motl, Ph.D. Theoretical Physicist, Harvard, USA
Madhav Khandekar, Ph.D. Meteorology, Florida State University, USA
Marcel Leroux, Professor Emeritus, Climatology, University of Lyon, France
Marlo Lewis, B.A. Political Science, Ph.D. Government, Claremont McKenna College, USA
Mel Goldstein, Ph.D. Meteorology NYU, USA
Michael Crichton, A.B. (summa cum laude) Anthropology, M.D. Harvard, USA
Michael Savage, B.S. Biology, M.S. Anthropology, M.S. Ethnobotany, Ph.D. Nutritional Ethnomedicine, USA
Nir J. Shaviv, Ph.D. Astrophysicist, Israel Institute of Technology, Israel
Patrick J. Michaels, Ph.D. Ecological Climatology, University of Wisconsin-Madison, USA
Patrick Moore, B.Sc. Forest Biology, Ph.D. Ecology, University of British Columbia, Canada
Petr Chylek, Ph.D. Physics, University of California, USA
Philip Stott, Professor Emeritus, Department of Biogeography, University of London, UK
Randall Cerveny, Ph.D. Geography, University of Nebraska, USA
Reid A. Bryson, B.A. Geology, Ph.D. Meteorology, University of Chicago, USA
Richard C. Willson, Ph.D. Atmospheric Sciences, University of California Los Angeles, USA
Richard S. Courtney, Ph.D. Geography, The Ohio State University, USA
Richard S. Lindzen, Ph.D. Professor of Meteorology, MIT, USA
Roger A. Pielke, Ph.D. Meteorology, Penn State, USA
Robert C. Balling, Ph.D. Geography, University of Oklahoma, USA
Robert Giegengack, Ph.D. Geology, Yale, USA
Robert H. Essenhigh, M.S. Natural Sciences, Ph.D. Chemical Engineering, University of Sheffield, UK
Robert Johnston, M.S. Physics, B.A. Astronomy, USA
Robert M. Carter, B.Sc. (Hons) Geology, Ph.D. Paleontology, University of Cambridge, Australia
Ross McKitrick, Ph.D. Economics, University of British Columbia, Canada
Roy Spencer, Ph.D. Meteorology, University of Wisconsin, USA
S. Fred Singer, Ph.D. Physics, Princeton University, USA
Sallie Baliunas, Ph.D. Astrophysics, Harvard, USA
Sherwood B. Idso, Ph.D. Soil Science, University of Minnesota, USA
Simon C. Brassell, B.Sc. Chemistry & Geology, Ph.D. Organic Geochemistry, University of Bristol, UK
Sonja Boehmer-Christiansen, Ph.D. Department of Geography, University of Hull, UK
Steve Milloy, B.A. Natural Sciences, M.S. Health Sciences, Johns Hopkins University, USA
Stephen McIntyre, B.Sc. Mathematics, University of Toronto, Canada
Syun-Ichi Akasofu, Ph.D. Founding Director International Arctic Research Center, USA
Tad S. Murty, Ph.D. Oceanography and Meteorology, University of Chicago, USA
Thomas A. Birkland, Ph.D. Political Science, University of Washington, USA
Thomas Gale Moore, Ph.D. Economics, University of Chicago, USA
Tim Patterson, Ph.D. Professor of Geology, Carleton University, Canada
Timothy F. Ball, Ph.D. Geography, Historical Climatology, University of London, UK
Vaclav Klaus, app. Ph.D. Economics, University of Economics, Prague, Czechoslovakia
Vincent Gray, Ph.D. Physical Chemistry, Cambridge University, UK
Wibjorn Karlen, Ph.D, Emeritus Professor of Physical Geography and Quaternary Geology, Stockholm University, Sweden
William Cotton, M.S. Atmospheric Science, Ph.D. Meteorology, Pennsylvania State University, USA
William J.R. Alexander, Professor Emeritus, Department of Civil and Biosystems Engineering, University of Pretoria, South Africa
William M. Gray, M.S. Meteorology, Ph.D. Geophysical Sciences, University of Chicago, USA
Willie Soon, Ph.D. Astrophysics, Harvard-Smithsonian Center for Astrophysics, USA
Zbigniew Jaworowski, M.D. Ph.D. D.Sc., Central Laboratory for Radiological Protection, Poland

According to the link above, scientists on the other side of the debate include:

Gavin Schmidt, Ph.D. Applied Mathematics (RealClimate.org)
James Hansen, Ph.D. Physics (NASA)
Lonnie Thompson, Ph.D. Geological Sciences
Michael Mann, Ph.D. Geology & Geophysics (RealClimate.org)
Richard C. J. Somerville, Ph.D. Meterology
Bill Nye, B.S. Mechanical Engineering (Bill Nye the Science Guy)