Robert K. Tyson is an Associate Professor of Physics and Optical Science at the University of North Carolina at Charlotte, Charlotte, North Carolina, USA. He has a BS in physics from Penn State University, and MS and PhD degrees from West Virginia University. His research interests include atmospheric turbulence compensation, novel wavefront sensing techniques, diffraction theory, and Fourier optics. Prior to his faculty appointment, Dr Tyson worked in the aerospace industry on various strategic and tactical laser weapons and imaging system designs for 20 years. He is the author of seven books on adaptive optics, including Principles of Adaptive Optics, 3rd edition, CRC Press.