Geoffrey Sunshine is a Senior Scientist at the Health Effects Institute in Cambridge, Massachusetts, where he reviews research on the biologic effects of air pollutants. He is also a lecturer in the Department of Pathology at Tufts University School of Medicine. For several years, he has directed a course in immunology for graduate dental students at Tufts University Dental School and previously directed a course for veterinary students at Tufts University Veterinary School. Hewas also a member of the Sackler School of Graduate Biomedical Sciences at Tufts University, doing research in antigen presentation and teaching immunology to medical, graduate, and undergraduate students.

Eli Benjamini is a professor emeritus of immunology in the Department of Medical Microbiology and Immunology at the School of Medicine of the University of California at Davis. Dr. Benjamini has taught immunology to undergraduate, graduate, and medical students, as well as having served for 10 years as Chairman of the Graduate Program of Immunology on the Davis campus—a program that he was instrumental in forming. His research interests include the immunobiology of protein antigens, mechanisms of immune regulation, and principles of synthetic vaccine.