Abraham Sinkov person
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Claims (3)
William Frederick Friedman recruited
Abraham Sinkov documented
document
“Friedman managed to get authority to hire three men... They were Solomon Kullback, Frank Rowlett and Abraham Sinkov…”
source: url — William F. Friedman · p.1
Abraham Sinkov worked_for
Signal Intelligence Service documented
document
“Abraham Sinkov and Leo Rosen from SIS…”
source: url — William F. Friedman · p.1
William Friedman recruited
Abraham Sinkov documented
document
“To carry out these duties Friedman hired three junior cryptanalysts all in their early twenties at $2,000 a year the first of the second generation of American cryptologists They were Frank Rowlett a Virginian and Solomon Kullback and Abrah…”
source: government document — Church Committee Final Report, Book VI: Supplementary Reports on Intelligence Activities · p.133