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Dr. Kullback and Dr. Sinkov (The First Two Assistants Appointed to Serve Under William F. Friedman) Unroll a Parchment Scroll, Signed by About 1,300 of Friedman’s Colleagues, At His Retirement Ceremony
Date:
October 12, 1955
Physical Description:
Black and White Photograph
Subjects:
Cryptology, Military intelligence
Dr. Kullback, Dr. Sinkov
| Theatre, Arlington Hall, Arlington, Virginia |