The #1 slot belongs to Geoffrey Burnstock of University College London, with 5,478 total citations to date. Professor Burnstock is Joint Director of the Autonomic Research Institute (ANI) at the Royal Free and University College Medical School. The ANI takes a multidisciplinary approach to autonomic nervous system research, from basic nerve control in healthy and diseased bodies to more specific topics like purinergic signaling.

Dr. Frank J. Gonzalez, the second most-cited scientist in this field with a total of 4,365 citations, lists the function and regulation of cytochromes P450 and xenobiotic receptors, specifically in relation to chemical carcinogenesis, as his chief research interests. Dr. Gonzalez is the Chief of the Laboratory of Metabolism at the National Cancer Institute in Bethesda, MD.

The #3 researcher on our list, Dr. F. Peter Guengerich, is based at the Vanderbilt University School of Medicine, where he is the Director of the Center in Molecular Toxicology. Dr. Guengerich’s research focuses mainly on the chemistry of formation of various carcinogen DNA adducts. He has 118 papers cited a total of 3,988 times in this field.

The Glaxo Institute of Applied Pharmacology at the University of Cambridge is home to our fourth most-cited researcher, the Institute’s director, Professor Patrick P.A. Humphrey. Professor Humphrey is a founding member of the International Union of Pharmacology Receptor Nomenclature Committee. His work concentrates on characterization and classification of neurotransmitter receptors leading to drug discovery, with special focus on migraines, pain, and irritable bowel syndrome. Professor Humphrey has 80 papers cited a total of 3,787 times to date in this field.

Our fifth most-cited researcher in this field won the Nobel Prize in Medicine in 1982. Sir John R. Vane has 51 papers cited a total of 3,463 times to date in this category. Sir John has done pioneering research on pulmonary hypertension and cyclo-oxygenase inhibitors. He established the William Harvey Research Institute in 1986.

Dr. Kenneth A. Jacobson, chief of the Molecular Recognition Section of NIDDK’s Laboratory of Bioorganic Chemistry, comes in at #6, with 96 papers cited 3,398 times to date. Dr. Jacobson’s research interests include receptor structure and pharmacology, and he was recently cited by Chemical & Engineering News for his work in A³ receptors.

Dr. Daniel W. Nebert of the Cincinnati Children’s Hospital Medical Center ranks at #7, with 57 papers cited a total of 3,325 times to date. His research focuses on gene-drug and gene-environment interactions, among other things.

The University of North Carolina’s Dr. T. Kendall Harden comes in at #8 on our list, with 43 papers cited a total of 3,090 times to date. His work focuses on G protein-mediated signaling.

Dr. Daniel Hoyer, from the Nervous System Research group of Novartis Pharma AG in Basel, Switzerland, concentrates on serotonin receptors and systems. He ranks at #9, with 43 papers cited a total of 3,075 times to date.