Nicholas A. Kotov, Professor of Chemical Engineering at the University of Michigan (USA), visited the Research Training Group 2767 "Supracolloidal Structures: From Materials to Optical and Electronic Devices" at Technische Universität Dresden this week as a Mercator Fellow. During his visit, Prof. Kotov had an intensive exchange with the scientists of the GRK and gave a talk on "Data-Rich Spectroscopies of Chiral Nanostructures: From Giant Circular Dichroism to Chiral Phonons".