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About the Author
Klaus Hunger (Dr. rer. nat., TU München) was the research director of the hydrazone pigments unit at Hoechst AG. Today, he is the Managing Director of Decernis GmbH.
Martin U. Schmidt (Dr. rer. nat., Aachen) was employed at Hoechst AG, later Clariant, in the pigment research group. Today, he is a professor at the Goethe University in Frankfurt. His main research interest is the determination of crystal structures of industrial organic pigments and pharmaceuticals.
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