Armin Feldhoff is engaged in physical chemistry of materials. He received his diploma in physics from the University of Münster (Germany) and his PhD degree from the Martin-Luther University Halle-Wittenberg (Germany). He was pre- and post-doctoral researcher at the Max Planck Institute of Microstructure Physics in Halle (Germany). He was postdoctoral associate at the Department of Materials Science and Engineering at Cornell University in Ithaca (NY, USA) and at the Centre d’Études de Chimie Métallurgique of the CNRS in Vitry sur Seine (France). He is head of the Electron Microscopy Laboratory at the Institute of Physical Chemistry and Electrochemistry of the Leibniz University Hannover (Germany) and holds the venia legendi for Physical Chemistry.