Professor Mark Esrick received his B.S. (1969) and Ph.D.(1981) in Physics at Georgetown University, and joined the Physics Department at Georgetown University in 1987. His research has included measuring the electric impedance of tissue undergoing hyperthermia as a means of monitoring the progress of hyperthermia treatment of malignancies in real time, conducted in collaboration with the Georgetown Medical School. He has also collaborated in research studying the chemical gradients involved in axon guidance. He has been a co-investigator on grants received from the National Institutes of Health, the National Science Foundation, the Sloan Foundation, and the Whitaker Foundation. He served as coordinator of the Post-Baccalaureate Pre-Medical Certificate Program. He is currently interested in improving the teaching of graduate physics courses, particularly quantum mechanics.