Roger A. Jenkins, Chemist, Oak Ridge National Laboratory, Oak Ridge, Tennessee; currently consultant; October 2, 2003 (e-mail).
Robert K. Adair, Professor Emeritus, Department of Physics, Yale University; October 7, 2003, and May 18, 2004 (in person and e-mail).
Melvin First, Professor of Environmental Health Engineering, Emeritus, Harvard School of Public Health; November 21, 2003 (e-mail).
Marilie D. Gammon, Professor of Epidemiology, University of North Carolina, Chapel Hill; January 20, 2004 (in person).
David A. Savitz, Professor of Epidemiology, University of North Carolina, Chapel Hill; currently Professor of Community and Preventive Medicine and Director, Epidemiology, Biostatistics, and Disease Prevention Institute, Mount Sinai School of Medicine, New York; January 21, 2004 (in person).
Mary S. Wolff, Professor of Community and Preventive Medicine, Mount Sinai School of Medicine, New York; July 7, 2004 (in person).
Steven D. Stellman, Professor of Epidemiology, Mailman School of Public Health, Columbia University, New York; October 13, 2004 (in person).
Regina M. Santella, Professor of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York; January 20, 2005 (e-mail).
Barbara Balaban, M.S.W., breast cancer activist, January 20, 2005 (telephone).
Ruth Allen, U.S. Environmental Protection Agency, Washington, D. C.; January 28, 2005 (e-mail and telephone).
Gwen Collman, Branch Chief, Genes and Environment Initiative, National Institute of Environmental Health Sciences; February 4, 2005 (telephone).
Fran Visco, Head, National Breast Cancer Coalition, Washington, D. C.; May 10, 2005 (e-mail and telephone).
Dale Sandler, Chief, Chronic Disease Epidemiology Group, National Institute of Environmental Health Sciences; August 5, 2006 (e-mail).
John S. Neuberger, Professor of Epidemiology, University of Kansas, Kansas City; August 16, 2006, and September 11, 2006 (e-mail and telephone).