Prof. Dr. H.C. Erik Spiekermann studied History of Art and English in Berlin. He is an information architect, type designer (FF Meta, ITC Officina, FF Info, FF Unit, LoType, Berliner Grotesk et al.) and author of books and articles on type and typography. He runs SpiekermannPartners with offices in Berlin, London and San Francisco.

Jan Middendorp is a freelance editor, writer and designer working in Berlin. He has written for magazines on design such as Eye, Typographic, Etapes and the Netherlands' leading magazine on design Items. He also works as consultant and editor for companies such as Linotype, MyFonts and LucasFonts.