Johnson, Ralph

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Title: Johnson, Ralph
Description: Dr. Ralph E. Johnson, former Chief, Radiation Branch, National Cancer Institute.
Subjects (names): Ralph Johnson
Topics/Categories: Historical -- People
National Cancer Institute -- People
Type: B&W, Photo
Source: National Cancer Institute (NCI)
Creator: Edward Hubbard (Photographer)
AV Number: AV-7900-138
Date Created: Unknown
Date Added: August 19, 2010
Reuse Restrictions: None - This image is in the public domain and can be freely reused. Please credit the source and, where possible, the creator listed above.