This collection of personal papers documents, in part, the life of Robert Philip Baker-Byrne, formerly Rudolf Philipp Becker, a German Jewish emigrant to Great Britain who, having served in the Pioneer Corps, ended his war time activities working for the British Secret Service, and after the war as a war crimes investigator.

Concentration camp uniform cap issued to Werner Sauer while interned in Stutthof concentration camp as a German marine deserter in early 1945. The cap is lined with cloth because German military deserters were treated better than Jewish prisoners. The hats Werner had been issued previously as a Jewish inmate were not lined. Werner saved the cap, and refused to ever have it cleaned, as evidence of his ...