L. Lambert and T. Mulvey, Ernst Ruska (19061988), Designer Extraordinaire of the Electron Microscope: A Memoir. V.T. Binh, N. Garcia, and S.T. Purcell, Electron Field Emission from Atom-Sources: Fabrication, Properties, and Applications of Nanotips. P.L. Combettes, The Convex Feasibility Problem in Image Recovery. C. Doran, A. Lasenby, S. Gull, S. Somaroo, and A. Challinor, Spacetime Algebra and Electron Physics. H.C. Shen and D. Srivastava,Texture Representation and Classification: The Feature Frequency Matrix Approach. Chapter References. Subject Index.