The High Energy Theory Group is located on the 4th and 5th floors of Jefferson Physical Laboratory, just behind the Science Center. 

Mail should be addressed to:

Center for the Fundamental Laws of Nature 
Harvard University Physics Department
High Energy Theory Group 
17 Oxford Street
Cambridge, MA 02138

Administrative Support:

Erica Colwell, Coordinator I
Assistant to Professors Georgi, Jafferis, Reece, Schwartz, Strominger, Vafa and Yin
Administrator for the Particle Seminar Series
Phone: 617-495-2807
Fax: 617-496-0110