An industrial perspective of the impact of Haldor Topsoe on (in situ) electron microscopy in catalysis

With recent advances, electron microscopy can now visualize heterogeneous catalysts at the atomic scale and under catalytic meaningful conditions. A selection of the advancements is outlined to reflect Dr. Haldor Topsoe's enthusiasm for electron microscopy as means for improving the fundamental understanding in catalysis. (C) 2015 Elsevier Inc. All rights reserved.