Dear students, dear colleagues

Please join us for Friday's symposium in honor of

Ralph Eichler's 60-th

with interesting talks on the proton soup, light, engines and factories, and sunny california. You are cordially invited to the aperitif following the symposium.

Please visit our web page http://www.colloquium.phys.ethz.ch for details.

Best regards

Gianni Blatter

ETH Zurich Gianni Blatter Theoretical Physics HPZ G10 Schafmattstr. 32 CH-8093 Zurich SWITZERLAND

blatterj@phys.ethz.ch

+41 44 633 2568 office +41 44 844 42 50 private