![G. Edward Birchfield](../../images/people/faculty/birchfield-g-edward.jpg)
Emeritus Faculty
![G. Edward Birchfield](../../images/people/faculty/birchfield-g-edward.jpg)
![Donna Jurdy](../../images/people/faculty/jurdy-donna-168x210.jpg)
Donna Jurdy
Professor Emeritus
Phone number:
847-491-7163
Office location:
Tech F496/F497
donna@earth.northwestern.edu
![Abraham Lerman](../../images/people/faculty/lerman-abe-168x210.jpg)
![Emile Okal](../../images/people/faculty/okal-emile-168x210.jpg)
Emile Okal
Professor Emeritus
Phone number:
847-491-3194
Office location:
Tech F490
emile@earth.northwestern.edu
![Seth Stein](../../images/people/faculty/stein-seth-168x210.png)
Seth Stein
Wm. Deering Professor Emeritus
Phone number:
847-491-5265
Office location:
Tech F498/F499
seth@earth.northwestern.edu