The best way to reach me by far is by email:  deborahh(at)

Office at York University: +1(416) 736-2100 ext. 20798

My mailing address at York is:

Department of Physics and Astronomy
4700 Keele St.
Toronto, ON M3J 1P3 Canada

Office at Fermilab: +1(630) 840-4545

(located on the 12th floor, west side)

My mailing address at Fermilab is:

Fermilab MS 220
P.O. Box 500
Batavia, IL 60510 USA