Dr. Campbell is a Research Fellow at Drew University in Madison New Jersey, where he is also holds adjunct professorships in the Biology Department and in the Caspersen School of Graduate Studies.  In addition, he holds adjunct professorships at the University of Pennsylvania and at New York Medical College.

As member or head of the parasitology team at Merck Research Laboratories, he contributed to the discovery of six drugs widely used in human and veterinary medicine.  He played a key role in the development of ivermectin, a drug best known for its use in the prevention of River Blindness in humans.

Dr. Campbell holds a First Class Honors B.A. degree from Trinity College, Dublin, Ireland, and a PhD degree from the University of Wisconsin.  He has edited or co-authored four books, and is the author of more than 180 scholarly articles, including articles on the history of biomedical science — as well as poems, essays and paintings on scientific and non-scientific subjects.  He is past president of the History of Medicine Society of New Jersey.

In 2002 Dr. Campbell was elected to the National Academy of Sciences of the United States of America.  Other honors include honorary Doctor of Science degree, University of Wisconsin; the Kitasato Medal (Tokyo, Japan); Honorary Doctor of Science degree, McGill University.