![Headshot of Christopher Chyba](https://pei.cpaneldev.princeton.edu/wp-content/uploads/2016/06/Chyba_Chris_Retina2.jpg)
![Headshot of Christopher Chyba](https://pei.cpaneldev.princeton.edu/wp-content/uploads/2016/06/Chyba_Chris_Retina2.jpg)
Christopher Chyba
Dwight D. Eisenhower Professor in International Affairs. Professor of Astrophysical Sciences.
609-258-5633
218 Bendheim Hall
cchyba@princeton.edu
![](https://pei.cpaneldev.princeton.edu/wp-content/uploads/2016/06/Goldston_retina.jpg)
![](https://pei.cpaneldev.princeton.edu/wp-content/uploads/2016/06/Goldston_retina.jpg)
Robert Goldston
Professor of Astrophysical Sciences.
609-243-3550
MS41 C-Site B319 PPL
rjg@princeton.edu
![](https://pei.cpaneldev.princeton.edu/wp-content/uploads/2016/06/M_Lemonich_retina2.jpg)
![](https://pei.cpaneldev.princeton.edu/wp-content/uploads/2016/06/M_Lemonich_retina2.jpg)
Michael Lemonick
Visiting Lecturer in Astrophysical Sciences and Freshman Seminars.
609-258-3801
Peyton Hall
lemonick@princeton.edu