Frans Pretorius
![](FransPretorius-(LB7X1572).jpg)
Frans Pretorius
Professor of Physics
Princeton University
Photo by Princeton University, Department of Astrophysical Sciences, Lance Beden (2017)
![](20110122_PretoriusF_004.jpg)
Frans Pretorius
Professor of Physics
Princeton University
Photo by Princeton University, Office of Communications, Denise Applewhite (2011)