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Dr. and Madam Fredrickson with their sons Rurik and Eric
Date:
[April 1975]
Description:
From left to right: Henrietta, Rurik, Donald, and Eric Fredrickson. The Fredricksons are shown at a National Academy of Sciences meeting at the Hirshhorn Museum, Washington, DC.
Rights:
Courtesy of Donald S. Fredrickson.
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