Yuri Engelhardt
http://www.yuriweb.com

Jacques Bertin
http://www.sciences-po.fr/../biography
http://www.sciences-po.fr/../theory

Ansgar Vollmer
http://www.vollmer-design.com

Links with a Similar Approach

Encyclopedia of Graphic Symbols
http://www.symbols.com

Pictograms for Natural Disaster Reduction
http://picto.dpri.kyoto-u.ac.jp

Pictura Paedagogica Online (PPO)
http://www.bbf.dipf.de/...

Medical Illustration
http://www.medillsb.com

Links about Pictograms

Museum of Pictograms
http://www.picto.mania.ru

Testing and Standardization of Pictograms
http://www.get2testing.com

Traffic Signs of the World
http://www.intlsigns.com/world/traffic/