Erik Spiekermann

Erik Spiekermann is a famous German graphic designer and typographer, who has written many books, articles about typography, is the head of the company FontShop, and was an original partner in the design firm MetaDesign, which is the largest in Germany, with locations in San Francisco, London, and Berlin, as well. He has been a part of many different design boards, as well as receiving the Gerrit Noordzij Award from the Royal Academy in Den Haag in 2003. He retired from MetaDesign and started his own company, called Edenspiekermann, which also has several offices around the world. He is now a professor at the University of the Arts in Bremen. 

http://www.fontshop.com/fonts/designer/erik_spiekermann/