age ~50
from Terre Haute, IN
 
                     
                     
                     
                     
                     
                         
                     
                David J. Griffiths (born 1942) is a U.S. physicist and educator. He has worked at Reed College since 1978, where he is currently the Howard Vollum Professor of ...
 
                     
                         
                         
                         
                         
                         
                         
                     
                     
                     
                     
                     
                     
                         
                         
                         
                         
                         
                         
                        