Professor Rainer Dietrich heads the Psycho-linguistic Experimental Laboratory of the Institute for German Language and Linguistics at the Humboldt University Berlin, Faculty of Arts II and has conducted a number of experiments on language processing. The specific objective of the latter is the structure of the production system and the time course of utterance production under conditions of workload. Traci Michelle Childress currently works as Co-ordinator for the GIHRE project at the Humboldt University in Berlin, Germany and as a freelance editor and writer.