Dr. Larry S. Liebovitch is Professor of Physics and Psychology at Queens College of the City University of New York, and serves as Adjunct Senior Research Scientist for AC4. Dr. Liebovitch earned a bachelor’s degree in physics from the City College of New York and a doctorate in astronomy from Harvard University. He was a Postdoctoral Fellow at the Mt. Sinai School of Medicine in New York and an Assistant Professor at the College of Physicians and Surgeons of Columbia University. At Florida Atlantic University he served as the interim director of the Center for Complex Systems and Brain Sciences and as the Associate Dean for Graduate Programs and Studies in the Charles E. Schmidt College of Science. He has used nonlinear methods to analyze and understand molecular, cellular, psychological, and social systems. He is the author or coauthor of four books including: Fractals and Chaos: Simplified for the Life Sciences by Larry S. Liebovitch (Oxford University Press, 1998) and Fractal Analysis in the Social Sciences, Quantitative Applications in the Social Sciences, Volume 165, by Clifford T. Brown and Larry S. Liebovitch (SAGE Publications, 2010).