Phone: +1 917 865 9668. Fax: +1 631 344 5568.

German cell: +49 (0) 15 15 90 55 704; Austrian cell: +43 (0) 67 64 62 24 27.

Department of Physics, Bldg. 510A, Brookhaven Natl. Lab, Upton, NY 11973.

Secretary: Marcy Chaloupka, (631) 344-2524.

Curriculum vitae, recent talks.

Head of the Physics Colloquium Committee: past and future colloquia.