Directors of Oak Ridge National Laboratory (originally named Clinton Laboratories) include the individuals pictured below.
Martin
D. Whitaker
Director
Clinton Laboratories
1943-1945 | ![Martin Whitaker](images/directors/whitaker.jpg) |
James H. Lum
Executive Director
Clinton Laboratories
1946-1947
|
![James Lum](images/directors/lum.jpg) |
Dr. Eugene P. Wigner
Research and Development Director
Clinton Laboratories
1946-1947
|
![Eugene Wigner](images/directors/wigner.jpg) |
C. Nelson Rucker
Acting Director and Executive Director
ORNL
1948-1950 |
|
Dr. Clarence E. Larson
Director
ORNL
1950-1955 |
![Clarence Larson](images/directors/larson.jpg) |
Dr. Alvin M. Weinberg
Director
ORNL
1955-1973 |
![Alvin Weinberg](images/directors/weinberg.jpg) |
Floyd L. Culler
Acting Director
ORNL
1973-1974
|
![Floyd Culler](images/directors/culler.jpg) |
Dr. Herman Postma
Director
ORNL
1974-1988
|
![Herman Postma](images/directors/postma.jpg) |
Dr. Alex Zucker
Acting Director
ORNL
1988-1989 |
![Alex Zucker](images/directors/zucker.jpg) |
Dr. Alvin W. Trivelpiece
Director
ORNL
1989-2000 |
![Alvin Trivelpiece](images/directors/trivelpiece.jpg) |
Dr. William Madia
Director
ORNL
2000-2003 |
![William Madia](images/directors/madia.jpg) |
Dr. Jeff Wadsworth
Director
ORNL
2003-2007 |
![Jeff Wadsworth](images/directors/wadsworth.jpg) |
\
Dr. Thom Mason
Director
ORNL
2007-Present |
![Thom Mason](https://webarchive.library.unt.edu/eot2008/20080920105857im_/http://www.ornl.gov/ornlhome/images/leadership/mason.jpg) |