Dr.Ing. ANNI BERGER-SCHUNN is former Chief of Quality Control of the dyes and pigments division of Bayer AG in Leverkusen, Germany. She is a member of the Deutsche farbwissenschaftliche Gesellschaft, the Gesellschaft fur angewandte Optik and the Inter-Society Color Council. Her publication in the Bayer Farben Revue, "Color Measurement in the Textile Industry" (with Dr. Andreas Brockes and Dr. Dietrich Strocka), is probably the most widely read text of its class in the world.