 |
|
(L to R) Luther E. Preuss: Medard W. Welch: Erwin W. Mueller |
|
Presentation of the first Welch Medal to Erwin W. Mueller at the 17th Annual Symposium in Washington, D.C., October 1970. |
|
|
(L to R) Luther E. Preuss: Medard W. Welch: Erwin W. Mueller |
|
Presentation of the first Welch Medal to Erwin W. Mueller at the 17th Annual Symposium in Washington, D.C., October 1970. |