Gabor T. Herman received his Ph.D. degree from the University of London, England in 1968. From 1969 to 1981, he was with the Department of Computer Science, State University of New York at Buffalo, where he directed the Medical Image Processing Group. From 1981 to 2000, he was a Professor in the Medical Imaging Section of the Department of Radiology, University of Pennsylvania. Currently, he is a Distinguished Professor in the Department of Computer Science, Graduate Center, City University of New York, where he heads the Discrete Imaging and Graphics group. His books include 3D Imaging in Medicine (CRC, 1991 and 2000), Geometry of Digital Spaces (Birkhauser, 1998), Discrete Tomography: Foundations, Algorithms and Applications (Birkhauser, 1999), Advances in Discrete Tomography and Its Applications (Birkhauser, 2007), and Fundamentals of Computerized Tomography: Image Reconstruction from Projections (Springer, 2009). During 1992-4 he was the Editor-in-Chief of the IEEE Transactions on Medical Imaging.Gabor T. Herman has honorary doctorates from Linkoping University (Sweden), Jozsef Attila University, Szeged (Hungary) and University of Haifa (Israel). He has been elected to be a Fellow of the Institute of Electrical and Electronics Engineers, the British Computer Society and the American Institute for Medical and Biological Engineering. He has been Principle Investigator on many funded research projects; a current one is Image Processing in Biological 3D Electron Microscopy (National Institutes of Health, 2001-2010).