1986 Medard W. Welch Award of ther American Vacuum Society: "For the development of high-resolution electron energy-loss spectroscopy and its application to the characterization of surfaces and adsorbates"
1989 Regent's Professor, University of California, Irvine
1991 Hewlett-Packard Europhysics Prize for Outstanding Achievements in Solid State Physics (with G. Ertl und J.P. Toennies)
1993 Miller Research professor, University of California, Berkeley