Dr. Nathan Isgur
Chief Scientist
Dr. Nathan Isgur, Jefferson Lab's Chief Scientist, advises the Director on the planning and interpretation of the Jefferson Lab experimental program, serves as a member of Jefferson Lab's Director's Council, and is head of the Lab's Bridge and Joint Professorship Program (the University Relations Office). Dr. Isgur received a B.S. in physics from California Institute of Technology (Caltech) and his Ph.D. in Physics from the University of Toronto. He served as a Professor Physics at Toronto from 1974 until 1990 when he joined the faculty of the College of William and Mary and became the Theory Group Leader at Jefferson Lab.
Dr. Isgur is the recipient of the Steacie Prize, the Herzberg Medal, the Rutherford Medal, and the Sakurai Prize. He is a fellow of the Royal Society of Canada and of the American Physical Society. He has published over 100 papers on the quark structure of matter and is perhaps best known for his work on the excited states of the proton and for his role in the discovery of a new symmetry of nature which describes the behavior of heavy quarks.